SSC JE Electrical 2018 with solution SET-1
The speed of a synchronous motor can be changed by

Changing the supply voltage
Changing the frequency
Changing the load
Changing the supply Terminals

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SSC JE Electrical 2018 with solution SET-1
 What will be the value of average power (in Watt) of a sinusoidal voltage applied across a series circuit is 20 sinωt V and the current flowing the circuit is 10 sin(ωt + 60)A?

100
60
50
80

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SSC JE Electrical 2018 with solution SET-1
Determine the magnetic field strength (in A/m) of a material when the intensity of magnetization of the material is 0.084 Amp/m and the magnetic susceptibility of the material is 0.0012

0.7
70
0.07
700

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SSC JE Electrical 2018 with solution SET-1
A DC generator used for ARC welding should Have

Straight characteristics
None of these
Rising characteristics
Dropping Characteristics

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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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