If the feedback fraction of an amplifier is 0.01, then voltage gain with negative feedback is approximately___________
A). 500
B). 100
C). 1000
D). 5000
1. The sensitivity of human eyes is maximum at
2. Which of the following motors is non-self starting ?
3. Strength of an electromagnet can be increased by
4. A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave
5. In a regenerative feed heating cycle, the greatest economy is affected
6. In a synchronous motor, damper windings are provided on
7. When the temperature of an extrinsic semiconductor is increased, the pronounced effect is on
8. Which of the following capacitors is polarized?
10. The ratio of starting torque to running torque in a synchronous motor is