1. Increasing the charge on plate of capacitor means.

(a) Increasing the capacitance

(b) Increasing the P.D. between the plates

(c) Both (a) and (b)

(d) None of these

2. The capacitance of a parallel plate capacitor is given by :

(a) C = a/v

(b) C = εoA/d

(c) C = dA/εo

(d) C = εoAd

3. When three capacitors C1, C2, C3 are connected in series them resultantant is given by

(a) Cs=(1/C1)+(1/C2)+(1/C3)

(b) Cs= C1+C2+C3

(c) 1/Cs=(1/C1)+(1/C2)+(1/C3)

(d) None of these

4. When three capacitors C1 + C2 + C3 connected in parallel then resultant is given by :

(a) Cp = (1/C1) + (1/C2) + (1/C3)

(b) Cp = C1 + C2 + C3

(c) 1/Cp = (1/C1) + (1/C2) + (1/C3)

(d) None of these

5. The dielectric constant of metal is :

(a) 1

(b) Zero

(c) Infinity

(d) none of these