Home
Class 12
PHYSICS
For very high frequency AC supply, a cap...

For very high frequency AC supply, a capacitor behaves like a pure conductor. Why?

Promotional Banner

Similar Questions

Explore conceptually related problems

For high frequency, a capacitor offers

With an increase in the frequency of an A.C. supply, the inductive reactance

Why are high frequency carrier waves used for transmission of audio signals?

A series LCR circuit with R=20 Omega ,L=1.5 H and C = 35 mu F is connected to a variable frequency 200 V ac supply. When the frequency of the supply equals the natural frequency of the circuit , what is the average pourer transferred to the circuit in one complete cycle?

Explain why the reactance provided by a capacitor to an alternating current decreases with increasing frequency.

An a.c. series circuit has a source of maximum e.m.f. 220 V at a frequency of 50 Hz connected to a capacitor of 8pF, an inductor of 0.8 H and a non-inductive resistor of 50 Omega . What is the maximum current in the circuit?

What is the voltage//frequency cycle of AC supply India.

Assertion : Electromagnetic waves with frequencies more than the critical frequency of ionosphere cannot be used for communication using sky wave propagation. Reason : The refractive index of the ionosphere becomes very high for frequencies higher than the critical frequency .

An A.C. supply of frequency 50 Hz is supplied to a series combination of 25 muF condenser, 0.1H inductor and 24 Omega resistor. Calculate inductive and capacitive reactance. Also find impedance of the circuit.