![24. Which of the following physical principles is/are not contained in PATA a) Electric charge creates electric fields that radiate outwards or inwards. b) Electric current creates magnetic fields that loop c) Changing magnetic fields create electric fields that loop d) A changing electric field acts like an electric current. e) Magnetic fields cause charged particles to curve, but not to speed up or slow down. f) Magnetic monopoles do not exist. Maxwells equations? 25. Which of the following is/are inversely proportional to distance cubed (1/r)? [PATA a) The electric force one charged particle exerts on another. b) The electric force a charged particle exerts on a molecule with positive and negative ends. c) The electric force a charged particle exerts on a polarizable atom. d) The magnetic force a moving charged particle exerts on another moving charged particle. e) The magnetic force a current loop exerts on a moving charged particle. f The magnetic force a permanent bar magnet exerts on a moving charged particle. 26. A ray of light strikes a boundary between two transparent materials, and there is a reflected ray but no transmitted ray, as shown in the figure. What can you conclude about the indices of refraction of these two materials? a) n na b) ni n c) ni < n2 e) dctions f This cannot be explained by the ray model of light. d) ni# 1 27. An illuminated source object is placed next to a converging lens, closer to the lens than its focal point. Which of the following are true about the image formed by the lens? [PATA] a) The image will be on the same side of the lens as the source. ) The image will be on the opposite side of the lens as the source. c) The image will be real (you could put a screen there to display the image). d) The image will be virtual (you could not put a screen there to display the image). e) The image will be upright f) The image will be inverted. THAT LAS FOAN. SONEB20Y LISTEN, SOME](http://img.homeworklib.com/questions/1378de20-6f7b-11ea-91cc-b76e175718a4.png?x-oss-process=image/resize,w_560)
Homework Answers
24. (f) magnetic monopoles exist that carry magnetic charge and the electric charge to be quantized.
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24. Which of the following physical principles is/are not contained in PATA a) Electric charge creates...
1 pts Question 1 Select all of the following that are true about magnets and magnetic...
1 pts Question 1 Select all of the following that are true about magnets and magnetic fields. the source of magnetic fields is net motion of charged particles the South pole of a bar magnet can be separated from the North pole to make two monopoles like magnetic poles IS and S, or N and N) repel and opposites attract IN and S) □ magnetic field lines always form closed loops magnetic fields are scalars a straight wire with current...
A charged particle is moving in a uniform, constant magnetic field. Which one of the following...
A charged particle is moving in a uniform, constant magnetic field. Which one of the following statements concerning the magnetic force exerted on the particle is false It does no work on the particle. It increases the speed of the particle. It changes the velocity of the particle. It can act only on a particle in motion. It does not change the kinetic energy of the particle. A circular current loop with radius of 0.100 m is located in the...
If someone can answer any/all of these that would be much appreciated! C. 7. Which of...
If someone can answer any/all
of these that would be much appreciated!
C. 7. Which of the following best describes the Junction Rule, one of Kirchoff's Rules? a. Current can only run out of a junction b. Current can only run into a junction Current can't flow through a junction d. The total amount of current flowing into a junction equals the total amount of current running out of a junction 8. A positively charged particle moves in the +...
3. Fill the blanks and the Proof - J.J. Thomson's experiment to fine the charge-to-mass ratio of the tt) (25 po...
3. Fill the blanks and the Proof - J.J. Thomson's experiment to fine the charge-to-mass ratio of the tt) (25 points) electron (i.e. e/m; The first is the experiment of Joseph John Thomson, who first demonstrated that atoms are actually composed of aggregates of charged particles. Prior to his work, it was believed that atoms were the fundamental building blocks of matter. The first evidence contrary to this notion came when people began studying the properties of atoms in large...
Need by 12 pm July 30, 2020 with answers shown and explanation. Thank you. R 1)...
Need by 12 pm July 30, 2020 with answers shown and explanation.
Thank you.
R 1) Two resistors are connected to each other in parallel, one resistor has a known value of R, the resistance of the second one is unknown. If the equivalent of two resistors in parallel is equal to what is the resistance of the second one? A) R B) 2R E) 4R 2) Which one of the following sentences is correct about the velocity selector? A)...
Finding the charge to mass (e/m) ratio of the electron Often in physics, we look for ways to find fundamental physical...
Finding the charge to mass (e/m) ratio of the electron Often in physics, we look for ways to find fundamental physical constants. From the set-up demonstrated in class, we are able to find a monumental combination of two physical constants-the charge of an electron (e) and the mass of an electron (m). Since the charge of an electron (e) is well known through other experiments, we will use the ratio of charge to mass to find the mass of an...
Finding the charge to mass (e/m) ratio of the electron Often in physics, we look for ways to find fundamental physical...
Finding the charge to mass (e/m) ratio of the electron Often in physics, we look for ways to find fundamental physical constants. From the set-up demonstrated in class, we are able to find a monumental combination of two physical constants-the charge of an electron (e) and the mass of an electron (m). Since the charge of an electron (e) is well known through other experiments, we will use the ratio of charge to mass to find the mass of an...
4. If a current is running through a wire, which of the following will be induced...
4. If a current is running through a wire, which of the following will be induced around the wire? O A reverse current O A gravitational field O A magnetic field O A sound wave 5. If a proton is moving at a speed of 5 m/s to the right (→) through a uniform magnetic field that points to the left (€), which of the following describes the force the proton feels? The proton feels a force pushing it upward...
1. Conceptual questions: (This one should take less than 5 minutes. Manage your time!) a) For...
1. Conceptual questions: (This one should take less than 5 minutes. Manage your time!) a) For a total internal reflection to occur, the incident angle of a light should be (greater/smaller) than the refractive angle. N S N s . b) Two identical bar magnets are given to the right. At point a, b, and c, the directions of the net magnetic fields are to the and (left? Or right?), respectively. b C c) A polarized electromagnetic wave passes through...
Which of the following statements is/are true? [PAT 1. A positively charged plastic bead vill ataect...
Which of the following statements is/are true? [PAT 1. A positively charged plastic bead vill ataect a neutral plastic bead. b) A positively charged plastic bead will attract a neutral copper bead. o) A current-carrying wire will attract a neutral plastic bead. d) A current-carrying wire will attract a neutral copper bead e) A current-carrying wire will attract a neutral copper bead more strongly than it will attract a neutral plastic bead. f) A permanent magnet will attract a neutral...
1 pts Question 1 Select all of the following that are true about magnets and magnetic fields. the source of magnetic fields is net motion of charged particles the South pole of a bar magnet can be separated from the North pole to make two monopoles like magnetic poles IS and S, or N and N) repel and opposites attract IN and S) □ magnetic field lines always form closed loops magnetic fields are scalars a straight wire with current...
A charged particle is moving in a uniform, constant magnetic field. Which one of the following statements concerning the magnetic force exerted on the particle is false It does no work on the particle. It increases the speed of the particle. It changes the velocity of the particle. It can act only on a particle in motion. It does not change the kinetic energy of the particle. A circular current loop with radius of 0.100 m is located in the...
If someone can answer any/all
of these that would be much appreciated!
C. 7. Which of the following best describes the Junction Rule, one of Kirchoff's Rules? a. Current can only run out of a junction b. Current can only run into a junction Current can't flow through a junction d. The total amount of current flowing into a junction equals the total amount of current running out of a junction 8. A positively charged particle moves in the +...
3. Fill the blanks and the Proof - J.J. Thomson's experiment to fine the charge-to-mass ratio of the tt) (25 points) electron (i.e. e/m; The first is the experiment of Joseph John Thomson, who first demonstrated that atoms are actually composed of aggregates of charged particles. Prior to his work, it was believed that atoms were the fundamental building blocks of matter. The first evidence contrary to this notion came when people began studying the properties of atoms in large...
Need by 12 pm July 30, 2020 with answers shown and explanation.
Thank you.
R 1) Two resistors are connected to each other in parallel, one resistor has a known value of R, the resistance of the second one is unknown. If the equivalent of two resistors in parallel is equal to what is the resistance of the second one? A) R B) 2R E) 4R 2) Which one of the following sentences is correct about the velocity selector? A)...
Finding the charge to mass (e/m) ratio of the electron Often in physics, we look for ways to find fundamental physical constants. From the set-up demonstrated in class, we are able to find a monumental combination of two physical constants-the charge of an electron (e) and the mass of an electron (m). Since the charge of an electron (e) is well known through other experiments, we will use the ratio of charge to mass to find the mass of an...
Finding the charge to mass (e/m) ratio of the electron Often in physics, we look for ways to find fundamental physical constants. From the set-up demonstrated in class, we are able to find a monumental combination of two physical constants-the charge of an electron (e) and the mass of an electron (m). Since the charge of an electron (e) is well known through other experiments, we will use the ratio of charge to mass to find the mass of an...
4. If a current is running through a wire, which of the following will be induced around the wire? O A reverse current O A gravitational field O A magnetic field O A sound wave 5. If a proton is moving at a speed of 5 m/s to the right (→) through a uniform magnetic field that points to the left (€), which of the following describes the force the proton feels? The proton feels a force pushing it upward...
1. Conceptual questions: (This one should take less than 5 minutes. Manage your time!) a) For a total internal reflection to occur, the incident angle of a light should be (greater/smaller) than the refractive angle. N S N s . b) Two identical bar magnets are given to the right. At point a, b, and c, the directions of the net magnetic fields are to the and (left? Or right?), respectively. b C c) A polarized electromagnetic wave passes through...
Which of the following statements is/are true? [PAT 1. A positively charged plastic bead vill ataect a neutral plastic bead. b) A positively charged plastic bead will attract a neutral copper bead. o) A current-carrying wire will attract a neutral plastic bead. d) A current-carrying wire will attract a neutral copper bead e) A current-carrying wire will attract a neutral copper bead more strongly than it will attract a neutral plastic bead. f) A permanent magnet will attract a neutral...
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