MCQ CAPACITOR Matriculation

Three capacitors each of the capacity C are given. The resultant capacity 2/3 C can be obtained by using them

• All in series

• All in parallel

• Two in parallel and third in the series with this combination

• Two in series and third in parallel across this combination

If three 10 μF capacitors are connected in parallel the, net capacitance is

• 20 μF

• 30 μF

• 50 μF

• 40 μF

If three 15 μF capacitors are connected in series, the net capacitance is

• 5 μF

• 30 μF

• 45 μF

• 50 μF

In a capacitor the electric charge is stored in

• Metal plates

• Dielectric

• Both A and B

• None of the above

A capacitor consists of

• Two insulators separated by a conductor

• Two conductors separated by an insulator

• Two insulators only

• Two conductors only

The units of capacitance are

• Volts/coulomb

• Farad

• Coulomb

• Ohms

The capacitance of 1 μF equals

• 10e-12 F

• 10e-8 F

• 10e-6 F

• 10e-4 F

The capacitance C is charged through a resistor R. The time constant of the charging circuit is given by

• C/R

• 1/RC

• RC

• R/C

9. Capacitor is a device used to__________

• store electrical energy

• vary the resistance

• store magnetic energy

• dissipate energy

What is the value of capacitance of a capacitor which has a voltage of 4V and has 16C of charge?

• 2F

• 4F

• 6F

• 8F