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SSC JE / State Electricity Boards JE Electrical Exams QUIZ-10
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Question 1
In Fig., What is the generated e.m.f.?
Question 2
The transformer that does not provide electric isolation is
Question 3
A generating station has an average demand of 15 MW. If the load factor is 60%, & its utilization factor is 80% then what is the reserve capacity of the plant?
Question 4
For the proper protection of power system, the operating time of a relay should be
Question 5
Three 50-ohm resistors are connected in star across 400 V, 3-phase supply. If one of the resistors is disconnected, then, line current will be …………..
Question 6
An energy meter having a meter constant of 1200 rev. per kWh is found to make 5 revolutions in 75 seconds. The load power is
Question 7
When transistor is used as an amplifier, then,
Question 8
A solenoid has 2000 turns wound over a length of 0.3 m. The area of x-section is . Around its central section, a coil of 300 turns is ‘Around. If an initial current of 2A is reversed in 0.25 sec, the e.m.f. induced in the coil is
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ESE & GATE EEGeneralJun 8ESE & GATE EE