Question

1. How is the charge stored on a capacitor related to the capacitance of the capacitor and the potential difference across the capacitor?

a. The charge equals the product of the capacitance and the potential difference.

b. The charge equals the ratio of the potential difference to the capacitance.

c. The charge equals the ratio of the capacitance to the potential difference.

2. Which do we do to find the potential difference of a capacitor?

a. integrate the electric field with respect to distance along a plate face

b. differentiate the electric field with respect to distance along a plate face

c. integrate the electric field with respect to distance between the plates

d. differentiate the electric field with respect to distance between the plates

3. On which does the capacitance of a parallel-plate capacitor depend?

a. potential difference between the plates

b. charge on the plates

c. separation between the plates

4. How can we decrease the capacitance of a parallel-plate capacitor?

a. increase the plate area and the plate separation

b. decrease the plate area and the plate separation

c. increase the plate area or decrease the plate separation d. decrease the plate area or increase the plate separation

5. Which is true about capacitors in parallel?

a. They have the same charge.

b. They have the same potential difference.

c. They have the same charge and potential difference.

6. Which is true about capacitors in series?

a.Their equivalent has the same charge as each capacitor.

b.Their equivalent has the same potential difference as each capacitor.

c.Their equivalent has the same charge and potential difference as each capacitor.

7.Which is true about capacitors in parallel?

a.Their equivalent has the same potential difference as each capacitor.

b.Their equivalent has the same charge and potential difference as each capacitor.

c.Their equivalent has the same charge as each capacitor.

8. Which do we do to find the equivalent of capacitors in parallel?

a. We sum the capacitances and then invert the sum.

b.We sum the capacitances.

c. We sum the inverse of each capacitance.

d.We sum the inverse of each capacitance and then invert the sum.

9. Which is true about the equivalent of capacitors in series?

a. The equivalent capacitance is less than the smallest value of the individual capacitances.

b.The equivalent capacitance is more than the largest value of the individual capacitances.

c. The equivalent capacitance is intermediate between the smallest value and largest value of the individual capacitances.

10. If we were to gradually charge a capacitor by transferring charge from one plate to the other, which describes the work per unit charge required of us?

a.It gradually increases from start to end.

b.It remains the same from start to end.

c. It gradually decreases from start to end.

11. If we were to gradually charge a capacitor by transferring charge from one plate to the other, which describes the action of the electric field between the plates?

a. It assists our transfer of charge. b. It resists our transfer of charge. c. It has no effect on our transfer of charge.

12. What happens to the amount of energy stored in a capacitor as we increase the potential difference between the plates?

a. It decreases

b. It does not change

c. It increases

13. Which is true about a dielectric being inserted into a capacitor?

a. It increases the capitance

b. It increases the capitance

c. It has no effect on the capitance

14. If a dielectric is inserted into a capacitor while the capacitor is connected to a battery, what remains constant?

a. the potential difference between the plates

b. the charge on the plates

c both the charge on the plates and the potential difference between the plates

15. If a dielectric is inserted into a charged capacitor while the capacitor is not connected to a battery, what remains constant?

a. the potential difference between the plates

b. the charge on the plates

c both the charge on the plates and the potential difference between the plates

16. If a dielectric is inserted into a charged capacitor that is not connected to a battery, what happens to the magnitude of the electric field between the plates?

a. increases

b. decreases

c. remains the same

17.A nonpolar dielectric slab is inserted into a parallel-plate capacitor. Which describes the electric field set up by the nonpolar molecules?

a. It is opposite the initial electric field between the plates.

b.It is in the same direction as the initial electric field between the plates.

c.It is perpendicular to the initial electric field between the plates.

18.Which describes the final electric field between the plates of a capacitor after a nonpolar dielectric slab is inserted?

a. The final field magnitude is less than the initial field magnitude.

b.The final field magnitude is more than the initial field magnitude.

c. The final field magnitude is equal to the initial field magnitude.

19. When a dielectric slab fills the gap in a parallel-plate capacitor, what is the sign of the induced charge next to the positively charged plate?

a. negative

b. positive

Answer 1

Note: As per the authoring guidelines, we are supposed to answer the first four subparts of the question