Materials and Components - Engineering

Q1:

A parallel plate capacitor having C = 200 x 10-12 F has loss dielectric having tan δ = 4 x 10-4. At an ac voltage of f = 106 Hz and peak value 2 V, the dielectric losses are

A 10-8 W

B 10-6 W

C 10-4 W

D 10-2 W

ANS:B - 10-6 W

Dielectric losses = v2 ωC tan δ.