5- Creating Magnetism by running a current through a wire is called ______ whereas creating potential...
5- Creating Magnetism by running a current through a wire is called ______ whereas creating potential difference by changing the magnetic flux through a loop of a conductor is called ________
A- Magnetic induction, Electromagnetic induction.
B- Lenz's law, Faraday's law
C- Magnetic Induction, Lenz's law
D-Faradays Law, Lenz's Law
E- Electromagnetic induction, Faraday's law
6- The emf induced in a coil that is rotating in a magnetic field will be at a maximum when :
a- The change in magnetic flux is at a maximum.
b- The change in magnetic flux is at a maximum
c- The magnetic flux is at a maximum
d- The magnetic flux is at a minimum
e- The magnetic flux is held constant.
7-Which ONE of the following statement is TRUE for a STEP-DOWN transformer that is 100% efficient?
a- The current is increased and the Voltage is decreased.
b-Both the current and voltage are decreased.
c- The primary power is greater than the secondary Power.
d- The current is decreased and the voltage is increased.
e- The number or turns in the Primary is less than the number of turns in the Secondary.
Homework Answers
Add Answer to:
5- Creating Magnetism by running a current through a wire is
called ______ whereas creating potential...
Questions [L] A transformer works with: AC current, BC current, CC current, DC current (2) The...
Questions [L] A transformer works with: AC current, BC current, CC current, DC current (2) The input side of a transformer is known as the: initial, startup, primary, input. [] The iron core transfers: current, voltage, induction, magnetism. [4] The changing magnetic flux through the secondary coil creates: 2 electricity, magnetic poles, transformers, the flux capacitor. [5] The current flowing through the primary coil creates: magnetism, electric poles, transformers, the flux inductor, [6] The primary coil has the less turns....
8A sensitive current indicating instrument is a 9 in a transformer, changes in the magnetic field...
8A sensitive current indicating instrument is a 9 in a transformer, changes in the magnetic field of the primary coil are sensed by the nearby secondary coil CO According to Faraday's law, these changes of magnetic field intensity at the secondary coil voltage in the secondary a. produce b. inducre c eliminate electric current by rotating a coil within a stationary magnetic field is a(n) a. Electric motor b. Generator 11 Clusters of aligned iron atoms are called a. Magnets...
8A sensitive current indicating instrument is a 9 in a transformer, changes in the magnetic field...
8A sensitive current indicating instrument is a 9 in a transformer, changes in the magnetic field of the primary coil are sensed by the nearby secondary coil CO According to Faraday's law, these changes of magnetic field intensity at the secondary coil voltage in the secondary a. produce b. inducre c eliminate electric current by rotating a coil within a stationary magnetic field is a(n) a. Electric motor b. Generator 11 Clusters of aligned iron atoms are called a. Magnets...
University Physics II: Electricity and Magnetism Class Textbook: Katz - Physics for Scientists and Engineers Questions...
University Physics II: Electricity and Magnetism
Class Textbook: Katz - Physics for Scientists and Engineers
Questions may involve the following topics:
Magnetic Fields and Forces/Faraday's Law of Induction/Inductors
and AC Circuits
Need help with Questions provided by pictures attached
below:
(Thank you so much in advance!)
3 of 4 A generator has 534 circular loops with a diameter of 0.234 meters. The magnetic field applied through the region where our loops will spin is 0.456 T. It outputs an average...
transformers
Learning Goal: To understand the concepts explaining the operation of transformers.One of the advantages of alternating current (ac) over direct current (dc) is the ease with which voltage levels can be increased or decreased. Such a need is alwayspresent due to the practical requirements of energy distribution. On the one hand, the voltage supplied to the end users must be reasonably low for safety reasons(depending on the country, that voltage may be 110 volts, 220 volts, or some other value...
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) In a circuit with current I and voltage V, the electric power delivered to the...
1) In a circuit with current I and voltage V, the electric power delivered to the circuit for direct current is: for alternate current with peak Io and Vo power is: 2) For a straight wire that has a length L and carries a current I, the magnetic force has a magnitude: F -T Where θ is the angle between the direction of l and B. 3) If a current I exists in a coil of wires with N turns,...
Analysis Questions 1. In this experiment, what steps could be taken to change the magnetic flux...
Analysis Questions 1. In this experiment, what steps could be taken to change the magnetic flux through the coil of wire? 2. Does the rate of magnetic flux change døb/dt affect the induced emf in the coil? If yes, how does it affect it? 3. Faraday-Lenz's Law of Electromagnetic Induction is written: E = -1 dos dt where N is the number of loops in the coil. How does your data support Faraday-Lenz's Law? Include here appropriate screenshot(s). 4. How...
4. A long straight wire carrying a current is in the plane of a circular loop...
4. A long straight wire carrying a current is in the plane of a circular loop of wire. The current is decreasing. Both the loop and the wire are held in place by external forces. The loop has a resistance of 24. -Long wire Conducting loop a) In what direction does the induced current in the loop flow? Mint: first find the external magnetic field at the loop due to the long wire, figure out if the flux through the...
ignore 2.21 The relationship you discovered is called Faraday's Law and is written as A Equation...
ignore 2.21
The relationship you discovered is called Faraday's Law and is written as A Equation 1 E = At The negative sign will be discussed below. If the resistance in the rectangular closed loop is R, then the induced current in the loop is given by Equation 2 T = - 140 I RAT You have learned from this activity that a current will be induced in a closed loop of wire whenever the magnetic flux through the loop...
Questions [L] A transformer works with: AC current, BC current, CC current, DC current (2) The input side of a transformer is known as the: initial, startup, primary, input. [] The iron core transfers: current, voltage, induction, magnetism. [4] The changing magnetic flux through the secondary coil creates: 2 electricity, magnetic poles, transformers, the flux capacitor. [5] The current flowing through the primary coil creates: magnetism, electric poles, transformers, the flux inductor, [6] The primary coil has the less turns....
8A sensitive current indicating instrument is a 9 in a transformer, changes in the magnetic field of the primary coil are sensed by the nearby secondary coil CO According to Faraday's law, these changes of magnetic field intensity at the secondary coil voltage in the secondary a. produce b. inducre c eliminate electric current by rotating a coil within a stationary magnetic field is a(n) a. Electric motor b. Generator 11 Clusters of aligned iron atoms are called a. Magnets...
8A sensitive current indicating instrument is a 9 in a transformer, changes in the magnetic field of the primary coil are sensed by the nearby secondary coil CO According to Faraday's law, these changes of magnetic field intensity at the secondary coil voltage in the secondary a. produce b. inducre c eliminate electric current by rotating a coil within a stationary magnetic field is a(n) a. Electric motor b. Generator 11 Clusters of aligned iron atoms are called a. Magnets...
University Physics II: Electricity and Magnetism
Class Textbook: Katz - Physics for Scientists and Engineers
Questions may involve the following topics:
Magnetic Fields and Forces/Faraday's Law of Induction/Inductors
and AC Circuits
Need help with Questions provided by pictures attached
below:
(Thank you so much in advance!)
3 of 4 A generator has 534 circular loops with a diameter of 0.234 meters. The magnetic field applied through the region where our loops will spin is 0.456 T. It outputs an average...
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) In a circuit with current I and voltage V, the electric power delivered to the circuit for direct current is: for alternate current with peak Io and Vo power is: 2) For a straight wire that has a length L and carries a current I, the magnetic force has a magnitude: F -T Where θ is the angle between the direction of l and B. 3) If a current I exists in a coil of wires with N turns,...
Analysis Questions 1. In this experiment, what steps could be taken to change the magnetic flux through the coil of wire? 2. Does the rate of magnetic flux change døb/dt affect the induced emf in the coil? If yes, how does it affect it? 3. Faraday-Lenz's Law of Electromagnetic Induction is written: E = -1 dos dt where N is the number of loops in the coil. How does your data support Faraday-Lenz's Law? Include here appropriate screenshot(s). 4. How...
4. A long straight wire carrying a current is in the plane of a circular loop of wire. The current is decreasing. Both the loop and the wire are held in place by external forces. The loop has a resistance of 24. -Long wire Conducting loop a) In what direction does the induced current in the loop flow? Mint: first find the external magnetic field at the loop due to the long wire, figure out if the flux through the...
ignore 2.21
The relationship you discovered is called Faraday's Law and is written as A Equation 1 E = At The negative sign will be discussed below. If the resistance in the rectangular closed loop is R, then the induced current in the loop is given by Equation 2 T = - 140 I RAT You have learned from this activity that a current will be induced in a closed loop of wire whenever the magnetic flux through the loop...
Most questions answered within 3 hours.
-
I need to return a dynamic array from a class member function
and print out the...
asked 2 minutes ago -
A student took 5 g of H2 and 5 g of N2 for
the following reaction....
asked 4 minutes ago -
TX Honey Inc. sells 3,000 bottles of honey bee for $70 each that
incur variable costs...
asked 5 minutes ago -
1. Compute r, the correlation coefficient for the following set
of bivariate data. Is this correlation...
asked 6 minutes ago -
For a particular transverse wave that travels along a string
that lies on the x-axis, the...
asked 12 minutes ago -
The
legal doctrine of remittitur allows the:
a. jury to reduce the damages requested by the...
asked 14 minutes ago -
1.Which of the following assumptions is required to
obtain a first-differenced estimator in a two-period panel...
asked 32 minutes ago -
The hydronium ion concentration of an aqueous solution of
0.47 M acetylsalicylic acid
(aspirin),
HC9H7O4, is...
asked 19 minutes ago -
EXERCISE 16. Urn A contains 4 white and 3 red marbles, urn B
contains 2 white...
asked 41 minutes ago -
Calculate the maximum numbers of moles and grams of iodic acid
(HlO3) that can form when...
asked 43 minutes ago -
Now that you have determined the likely value for the exponent
associated with the [MO], you...
asked 1 hour ago -
(a )What is a dihydrogen bond?
(b) Give an example of a molecule in which a...
asked 35 minutes ago