SSC JE Electrical 2018 with solution SET-1
 Which of the following is the CORRECT formula for permeance?

I/H
φ/Fm
Fm/L
B/H

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SSC JE Electrical 2018 with solution SET-1
 If the field of a DC shunt motor gets opened while the motor is running, then the

The motor will attain the dangerously high speed
Motor will become slow
Armature will oscillate about original speed as the mean speed
Armature current will drop

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SSC JE Electrical 2018 with solution SET-1
The welding electric circuit is______

Through cables Only
None of these
Always Earthed
Never Earthed

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SSC JE Electrical 2018 with solution SET-1
 Determine the value of produced mmf (in Amp-turns) in a coil if the coil has a 120 turns carrying a current of 0.1 A

14
18
12
16

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SSC JE Electrical 2018 with solution SET-1
 Which one of the following is a passive element to an electric circuit?

Battery
Current source
Voltage source
Resistors

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