SSC JE Electrical 2019 with solution SET-1
 In a single-phase capacitor start-and-run motor, the minimum number of capacitors to be used in it is:

1
2
4
3

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SSC JE Electrical 2019 with solution SET-1
 If the copper loss of a transformer at half full load is 400 W, then the copper loss corresponding to full load is

1200 W
800 W
400 W
1600 W

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SSC JE Electrical 2019 with solution SET-1
 The Norton’s current in the circuit shown below is

2A
12A
120A
4A

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SSC JE Electrical 2019 with solution SET-1
 Let T be the net torque developed by the rotor runs at ω rad/s. What is the mechanical power developed?

Pmech = ωT
Pmech = (2πωT)/60
Pmech = (2πωT)
Pmech = (ωT)/60

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SSC JE Electrical 2019 with solution SET-1
 The average value of a sinusoidal wave is:

√2 × maximum value
2 × maximum value
0.5 × maximum value
0.637 × maximum value

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