Question
Physics Question on Electricity
In a dielectric medium of relative permittivity 5, the amplitudes of the displacement current and conduction current are equal for an applied sinusoidal voltage of frequency f = 1 MHz. The value of conductivity (in Ω-1m-1) of the medium at this frequency is
A
2.78 × 10-4
B
2.44 × 10-4
C
2.78 × 10-3
D
2.44 × 10-3
Answer
2.78 × 10-4
Explanation
Solution
The correct option is (A) : 2.78 × 10-4.