The kWh meter can be classified as an ________ instrument
1). Deflecting
2). Digital
3). Recording
4). Indicating
1. Long distance railways use which of the following?
2. In an impedance smith chart, a clockwise movement along a constant resistance circle gives rise to
5. The internal efficiency of a mercury arc rectifier depends on
6. When SCR is OFF, the current in the circuit is ___________
7. In a Zener voltage regulator, the changes in load current produce changes in ___________
9. Ohm is unit of all of the following except
10. A commutating rectifier consists of commutator driven by