Chapter (9) Capacitance

For a vacuum ĸ=1, for other media _____.

• ĸ=0

• ĸ<1

• ĸ>1

If the distance between two metal plates is increase its capacitance is_____.

• decrease

• increase

• constant

A capacitor stores electrical energy in the form of an_____field.

• magnetic

• electric

• gravitational

The SI unit for surface charge density is _____.

• Cm^-2

• Vm^-2

• As

1CV^-1 is expressed as one ____.

• volt

• ohm

• farad

The unit farad is named in honor of scientist _____.

• Coulomb

• Michael Faraday

• Joule

The magnitude of the electric field in the region between two parallel oppositely-charged metal plates is ____.

• zero

• non uniform

• uniform

When the distance between the two parallel plates of a capacitor of a capacitance 10µF is doubled the capacitance will become______.

• 5µF

• 20µF

• 25µF

A ____ capacitor is a simplest capacitor.

• cylinder

• parallel-plate

• spherical

A capacitor consists of two ____ separated by a small distance.

• conductors

• insulators

• semiconductors