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RSMSSB JE Quiz 1
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Question 1
Which of the following material is used for making LEDs?
Question 2
The maximum speed variation in a synchronous motor is _________
Question 3
The magnetic field is represented by:
The value of K will be
Question 4
A centre-zero ammeter connected in the rotor circuit of a 6-pole, 50 Hz slip-ring induction motor makes 45 complete oscillations in one minute. In r.p.m., the rotor speed and the speed of stator field w.r.t. rotor are respectively.
Question 5
Thermal relay works on the principle of
Question 6
The function of shunt in an ammeter is to
Question 7
A particular ammeter requires a change of 2 A in its coil to produce a change in deflection of the pointer by 5mm. Calculate its sensitivity.
Question 8
If an induction type energy meter runs slow. It can be fast by:
Question 9
The total numbers of electrons flowing in the circuit, if a circuit carry 1A current
Question 10
The lighting system of almost all the earlier coaches and all the newly manufactured coaches has
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AE & JE ExamsNov 2AE & JE Exams