Switch Gear The rated secondary current of current transformer for relays is generally 5 A 10 A 30 A 20 A 5 A 10 A 30 A 20 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called recovery voltage surge voltage operating voltage arc voltage recovery voltage surge voltage operating voltage arc voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The reflection co-efficient at the open circuited end of a transmission line infinity None of these unity zero infinity None of these unity zero ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker behaves as a resistance decreasing with voltage rise across the arc a capacitive reactance an inductive reactance a resistance increasing with voltage rise across the arc a resistance decreasing with voltage rise across the arc a capacitive reactance an inductive reactance a resistance increasing with voltage rise across the arc ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Dc shunt relays are made of many turns of thin wire few turns of thick wire many turns of thick wire few turns of thin wire many turns of thin wire few turns of thick wire many turns of thick wire few turns of thin wire ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used reactors earth wires isolators H.R. fuses reactors earth wires isolators H.R. fuses ANSWER DOWNLOAD EXAMIANS APP
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