An instrument transformer is used to extend the range of
A). induction instrument
B). electrostatic instrument
C). moving coil instrument
D). any of the above
1. Differential amplifiers are used in
2. When 12 V are applied across a 68 Ω resistor, the current is
3. Microwave frequencies are normally regarded as those in the range of
4. A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave
5. Ryall crest voltmeter is used for measurement of
7. Which of the following statement regarding waveguides is incorrect?
8. A 3-phase synchronous motor is running clockwise. If the direction of its field current is reversed
9. The length of a phasor represents the amplitude.
10. The development of barrier potential in the depletion zone of a PN junction is consequent to: