SSC JE Electrical 2018 with solution SET-1
 Determine the percentage voltage error of a potential transformer with the system voltage of 11000 V and having a turn’s ratio of 104 if the measured secondary voltage is 98 V

8.84
6.25
7.92
5.75

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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?

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

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SSC JE Electrical 2018 with solution SET-1
 Determine the energy (in J) stored by a 0.4 H inductance, If the current flowing through it is 2A

1.6
0.4
0.8
1.4

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SSC JE Electrical 2018 with solution SET-1
 Determine the flux (in Wb) through a coil when the reluctance of the coil is 4 Amp-turns/Wb and the produced mmf is 48 Amp-turns

12
14
10
16

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