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A conventional current passing through a resistor. Which of the following statements are correct if we...
Which of the following will increase the capacitance of a parallel-plate capacitor? (There could be more...
Which of the following will increase the capacitance of a parallel-plate capacitor? (There could be more than one correct choice.) an increase in the plate area and a decrease in the plate separation an increase in the charge on the plates a decrease in the potential difference between the plates an increase in the potential difference between the plates a decrease in the plate area and an increase in the plate separation The figure shows conventional current passing through a...
Which of the following is correct? (a) When passing through air, blue light travels slower than...
Which of the following is correct? (a) When passing through air, blue light travels slower than green light (b) When passing through water, violet light travels slower than red light (c)When passing through air, green light travels faster than violet light (d) When passing through glass, red light travels slower than violet light Choose between (a), (b), (e) and (d)!
Which statements are true for an electron moving in the direction of an electric field and...
Which statements are true for an electron moving in the direction of an electric field and why? (There may be more than one correct choice.) (a) Its electric potential energy increases as it goes from high to low potential. (b) Its electric potential energy decreases as it goes from high to low potential. (c) Its potential energy increases as its kinetic energy decreases. (d) Its kinetic energy decreases as it moves in the direction of the electric field. (e) Its...
Don't bother the answer chosen. That is not correct. The "conventional current" direction is the same...
Don't bother the answer chosen. That is not
correct.
The "conventional current" direction is the same direction as the direction of electron velocity O North to South O the electric field the wire is pointing What is the difference between resistance and resistivity? Resistance is the property of a component, and resistivity is the property of a material. O There is no difference between them. O Resistance is the property of a material, and resistivity is the property of a...
Is 1 correct? Can someone explain #2? QUESTION 1 Which of the following statements about conductive...
Is 1 correct? Can someone explain #2?
QUESTION 1 Which of the following statements about conductive materials is incorrect? 1. Charges in a conductor move in response to an electric field. Examples of conductive materials include iron, aluminum, and gold. 3. Increasing the voltage applied across a conductor will cause the conductor temperature to increase 4 Current flow in a conductive material is due to the movement of positive and/or negative charges QUESTION2 Which of the following statements about voltage...
which statement(s) is(are) TRUE for a proton moving in the direction of an electric field?...
which statement(s) is(are) TRUE for a proton moving in the direction of an electric field? There may be more than one correct choice. Its electric potential energy increases as it goes from high to low potential. Its electric potential energy decreases as it goes from high to low potential. Its electric potential energy increases as its kinetic energy decreases. Its electric potential energy remains constant. Its kinetic energy decreases as it moves in the direction of the electric field....
QUESTION 6 Which of the following statements about insulating materials is correct? Oa The amount of...
QUESTION 6 Which of the following statements about insulating materials is correct? Oa The amount of current flowing in an insulator can be calculated using Ohm's Law. Ob. Silver and copper are good insulators. 。c. Insulators can be used to increase the amount of current that can flow through a resistor without increasing its temperature. Od.Soaking paper in salt water decreases its insulation capability. QUESTION 7 Which of the following statements about conductive materials is incorrect? Charges in a conductor...
Question Completion Status QUESTION 7 Which of the following statements about voltage is correct? a. Voltage...
Question Completion Status QUESTION 7 Which of the following statements about voltage is correct? a. Voltage flows between positive and negative terminals of a battery According to Ohm's Law, increasing the voltage across a resistor results in a decrease in the amount of current flowing through the Voltage is defined as the work performed to move charges in an electric field, per unit charge. s defined as the time rate of change of the magnetic field surrounding a conductor in...
I would really appreciate if someone answer these question. Thank you. A charged particle moving in...
I would really appreciate if someone answer these question. Thank you. A charged particle moving in the presence of both an electric and magnetic field moved in a closed path (i.e. a path that begins and ends at the same point). If the energy of the particle at the end of the closed path is 2.0J greater than its energy when it began the path, which of the following statements is correct? a. The magnetic field performed 2.0 J of...
1. A resistor carries a current I. The power dissipated in the resistor is P. What...
1. A resistor carries a current I. The power dissipated in the resistor is P. What is the power dissipated if the same resistor carries current 3I? A. P B. 3P C. 9P D. P/9 2. Which of the following statements is false? A. An electric field is needed to produce an electric current. B. A potential difference between two points is needed to produce an electric current. C. For a steady current to flow in a wire, the wire...
Which of the following will increase the capacitance of a parallel-plate capacitor? (There could be more than one correct choice.) an increase in the plate area and a decrease in the plate separation an increase in the charge on the plates a decrease in the potential difference between the plates an increase in the potential difference between the plates a decrease in the plate area and an increase in the plate separation The figure shows conventional current passing through a...
Which of the following is correct? (a) When passing through air, blue light travels slower than green light (b) When passing through water, violet light travels slower than red light (c)When passing through air, green light travels faster than violet light (d) When passing through glass, red light travels slower than violet light Choose between (a), (b), (e) and (d)!
Don't bother the answer chosen. That is not
correct.
The "conventional current" direction is the same direction as the direction of electron velocity O North to South O the electric field the wire is pointing What is the difference between resistance and resistivity? Resistance is the property of a component, and resistivity is the property of a material. O There is no difference between them. O Resistance is the property of a material, and resistivity is the property of a...
Is 1 correct? Can someone explain #2?
QUESTION 1 Which of the following statements about conductive materials is incorrect? 1. Charges in a conductor move in response to an electric field. Examples of conductive materials include iron, aluminum, and gold. 3. Increasing the voltage applied across a conductor will cause the conductor temperature to increase 4 Current flow in a conductive material is due to the movement of positive and/or negative charges QUESTION2 Which of the following statements about voltage...
QUESTION 6 Which of the following statements about insulating materials is correct? Oa The amount of current flowing in an insulator can be calculated using Ohm's Law. Ob. Silver and copper are good insulators. 。c. Insulators can be used to increase the amount of current that can flow through a resistor without increasing its temperature. Od.Soaking paper in salt water decreases its insulation capability. QUESTION 7 Which of the following statements about conductive materials is incorrect? Charges in a conductor...
Question Completion Status QUESTION 7 Which of the following statements about voltage is correct? a. Voltage flows between positive and negative terminals of a battery According to Ohm's Law, increasing the voltage across a resistor results in a decrease in the amount of current flowing through the Voltage is defined as the work performed to move charges in an electric field, per unit charge. s defined as the time rate of change of the magnetic field surrounding a conductor in...
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