Electrical Technology

what is the abbriviation of SWG?

• specific wire gauge

• standard wire gauge

• system wire gauge

• smooth wire gauge

The ckt in which there is only one path for conduction of current?

• series ckt

• parallel ckt

• resistive ckt

• conductive ckt

which law determine the direction of induced emf?

• Faradays law of Electromagnetic Induction

• Flemings left hand rule

• flemings right hand rule

• Lenzs Law

Why a DC motor takes large value of current at the time of starting?

• absence of back emf

• armature reaction

• high armature resistance

• weak field

which of the following is used to measure voltage

• ammeter

• ohmmeter

• powerfactor meter

• voltmeter

For current measurement ............................ meter is used in series in that ckt.

If voltage in a circuit is 20V, resistance is 5ohm then the value of current is........................... .

....................... is used to measure the insulation resistance of an underground cable.