railway RRB JE (CBT I + CBT II) Mock Test 2024 Analog Electronics Power Amplifiers and 555 Timer and Voltage Regulators Power Amplifier
The collector current in a Class-C amplifier:
1
is not rich in harmonics
2
flows for 120° or less of the ac input cycle
3
in sinusoidal
4
flows for 240° or more of the ac input signal