Which of the following relays is used on long transmission lines?
A). Impedance relay
B). Mho's relay
C). Reactance relay
D). None of the above
1. If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens
2. Is a loss of power of a satellite downlink signal due to earth’s atmosphere.
3. The impurity level in an extrinsic semiconductor is about of pure semiconductor.
4. To eliminate ghosts in the picture
6. In a steam locomotive electric power is provided through
9. The winding where dummy coils are used is sometimes called
10. The formula __________ determines the number of electrons that can be accommodated in any level.