Thermocouples are mainly used for the measurement of
A). Temperature
B). Resistance
C). Eddy currents
D). Coupling co-efficient
1. The e.m.f. generated in a D.C. generator is directly proportional to
3. If the field winding of an unloaded salient pole synchronous motor is open circuited, the motor will
4. The peak value of a sine wave is 200 V. Its average value is
6. When an open circuit occurs in a parallel branch, the total resistance decreases.
7. Hunting in a synchronous motor cannot be due to
8. When the frequency of the source voltage decreases, the impedance of a parallel RC circuit
9. Which of the following is the advantage of electric braking?
10. A series resistance is connected in the zener circuit to___________