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
3
4

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SSC JE Electrical 2019 with solution SET-1
 Hysteresis loss is NOT a function of

The volume of a material
Ambient temperature
Frequency
Steinmetz co-efficient of material

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SSC JE Electrical 2019 with solution SET-1
 Which of the following should be used under no-load conditions?

Air-break switch
Circuit breaker
Rewireable fuse
Isolator

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

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SSC JE Electrical 2019 with solution SET-1
 In an AC network, the load connected is (10 + j10). The phase relation between the voltage applied and the current through the load is:

Voltage lags current by 45°
Voltage and current are in phase with each other
Voltage leads current by 45°
Voltage lags current by 30°

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