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Top upcoming JE Electrical and Technician for different Gov. exam- 1

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Most Important MCQ for JE Electrical & Technician

1 / 10

An ideal current source should have

2 / 10

Interlocking is not possible in which type of fuse

3 / 10

. Suspension type insulation the voltage across the center disk is---

4 / 10

A circuit breaker is rated as follow 1500 MVA, 33KV, 3sec, 3ø oil circuit breaker . Determine the making current .

5 / 10

Two lamp 40w ,40v and 20w ,40v are connected parallel then what is the total resistance ?

6 / 10

Two lamp 40w ,40v and 20w ,40v are connected parallel then what is the total resistance ?

7 / 10

In parallel LC circuit what will be the value of current (in A) at resonance ?

8 / 10

Determine the instantaneous value of the alternating current (in A) which is represented by i(t)=10sin(25t – 15)A,  if the value of t is 3 ?

9 / 10

Calculate the value of phase angle (in degree ) in series RC circuit having a resistance of 50 ohm and a capacitive reactance of 86.6 ohm , when the supply frequency of 50HZ

10 / 10

Two coupled coil with L1 : L2 : 0.5H having a coupling coefficient of K :0.75. The turn ratio N1/N2:?

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