Capacitors & UEF Review (APP2)

The magnitude of electric potential is ______ at an infinite distance.

• 0

• negative infinity

• positive infinity

• 200

• The electric field is zero and the electric potential is zero

• The electric field is not zero and the electric potential is zero

• The electric field is zero and the electric potential is not zero

• The electric field is not zero and the electric potential is not zero

Capacitor is a device used to store ----

• electric charge and power

• electric charge and electric energy

• electric energy and power

• power and potential

The work done is stored as ---------in the capacitor.

• magnetic energy

• electrical energy

• electrostatic potential energy

• kinetic energy

If dielectric is inserted, When the battery is connected the capacitance is

• decreases

• increases

• constant

• zero

What is the voltage across   the plates of the capacitor if  the capacitance is 10 uF and the Charge stored is  30 uC?

• 0.333 V
• 3 V
• 300 V

The capacitance of a parallel-plate capacitor can be increased by: 

• increasing the charge 
• decreasing the charge 
• increasing the plate separation
• decreasing the plate separation 

Is it correct to say that the capacitance is inversely proportional to the area of the parallel plates?

• True

• False

The insulating layer of a cacitor is called the 

• plate
• conductors
• dielectric
• terminals