railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Network Theory Network Synthesis Impedance
The reactance offered by a capacitor to alternating current of frequency ‘f’ is 10 ohm. If the frequency is made to operate at ‘2f’, then the reactance becomes equal to ______ .
1
40 ohm
2
20 ohm
3
2.5 ohm
4
5 ohm