In a full wave rectifier circuit operating from 50 Hz mains frequency, the fundamental frequency in the ripple would be
50 Hz
25 Hz
100 Hz
70.7 Hz
Next Question
For CE transistor amplifier, the audio signal voltage across the collector resistance of 2 kΩ is 4 V. If the current amplification factor of the transistor is 100 and the base resistance is 1 kΩ, then the input signal voltage is