# Capacitors and Capacitance – Exercise – 1

Capacitors and Capacitance » Exercise – 1

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

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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 = epsilon;oAd

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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

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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

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5. The dielectric constant of metal is : (a) 1 (b) Zero (c) Infinity (d) none of these