SSC JE Electrical 2018 with solution SET-1
 A 40KVA transformer has a core loss of 450 W and total loss of 800 W. Find the copper loss for Maximum efficiency

350 W
450 W
300 W
800 W

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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
16
12
18

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SSC JE Electrical 2018 with solution SET-1
 Calculate the phase angle between the voltage and current phasor of a series RL circuit having the resistance of 65 Ohms and Inductive reactance of 37.53 ohms when supplied by a frequency of 60 Hz

60°
30°
15°
45°

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SSC JE Electrical 2018 with solution SET-1
 What is the value of current I4 (in A) for the given junction?

6
−4
4
−6

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