All coil cores are made of iron.
A). True
B). False
1. If starting winding of a single-phase induction motor is left in the circuit, it will
2. The effect of considering friction losses in steam nozzle for the same pressure ratio leads to
3. In a TV receiver antenna the length of reflector rod
4. Direct conversion of heat into electric power is possible through
5. Transformer breaths in when
6. Distribution lines in India generally use
7. The effect of corona can be detected by
8. Which motor has the poorest speed control?
9. A 0.47 µF capacitor is across a 2 kHz sine wave signal source. The capacitive reactance is
10. The sensitivity factor of strain gauge is normally of the order of