Networks Analysis and Synthesis - Engineering

Q1:

A parallel plate capacitor with air as dielectric has a capacitance C. If the dielectric has a dielectric constant ∈r and the remaining dimensions are the same, the capacitance will be

A C/∈r

BrC

C2rC

D3rC

ANS:B - ∈rC

Capacitance ∝ ∈r.