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

B/H
I/H
φ/Fm
Fm/L

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SSC JE Electrical 2018 with solution SET-1
 Which one of the following statement is NOT true about PMMC type instruments?

The cost of PMMC instruments is high
Stray magnetic errors are small in these types of instruments
These instruments are suitable for both AC and DC currents
PMMC type Instruments have uniformly divided scale

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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

30°
15°
45°
60°

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SSC JE Electrical 2018 with solution SET-1
The main consideration in designing feeders is

Voltage Drop
Current carrying capacity
Transmission Voltage
Resistance

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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
800 W
300 W

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