The reactance offered by a capacitor to alternating current of frequency 50 Hz is 20 ohm. If frequency is increased to 100 Hz, reactance becomes ohms.
A. 2.5
B. 5
C. 10
D. 15
Answer:C
The reactance offered by a capacitor to alternating current of frequency 50 Hz is 20 ohm. If frequency is increased to 100 Hz, reactance becomes ohms.
A. 2.5 B. 5 C. 10 D. 15
Explanation: The capacitive reactance is given by,