Part A
What property of objects is best measured by their capacitance?
a. the ability to conduct electric current
b. the ability to distort an external electrostatic field
c. the ability to store charge
Part B
Consider an air-filled charged capacitor. How can its capacitance be increased?
a. Increase the charge on the capacitor.
b. Decrease the charge on the capacitor.
c. Increase the spacing between the plates of the capacitor.
d. Decrease the spacing between the plates of the capacitor.
e. Increase the length of the wires leading to the capacitor plates.
Part C
Consider a charged parallel-plate capacitor. How can its capacitance be halved?
Check all that apply.
a. Double the charge.
b. Double the plate area.
c. Double the plate separation.
d. Halve the charge.
e. Halve the plate area.
f. Halve the plate separation.
Part D
Consider a charged parallel-plate capacitor. Which combination of changes would quadruple its capacitance?
a. Double the charge and double the plate area.
b. Double the charge and double the plate separation.
c. Halve the charge and double the plate separation.
d. Halve the charge and double the plate area.
e. Halve the charge separation and double the plate area.
f. Double the plate separation and halve the plate area.