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SSC JE 2019-20 Technical Quiz 20
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Question 1
An amplifier is used to obtain
Question 2
Which of the following represents the quality factor of a series RLC circuit?
Question 3
A 600-turn coil has a resistance of 7 ohms and an inductance of 0.8 H. If one-fifth of the turns are removed, then determine the new inductance (in H).
Question 4
In a 3-phase induction motor a balanced three phase supply is with electrical angle separation
Question 5
The hysteresis loop for materials having high retentivity is
Question 6
A synchronous motor has better power factor than an induction motor. This is due to __________
Question 7
At starting, the winding of a 220 V, 50 Hz split-phase induction motor has the following values:
Main winding R=10 Ω; XL = 25 Ω
Stator winding = R=25 Ω; XL = 15 Ω
A 160μF capacitor is connected in series with the starting winding of the motor. The phase displacement between Im & Is is
Main winding R=10 Ω; XL = 25 Ω
Stator winding = R=25 Ω; XL = 15 Ω
A 160μF capacitor is connected in series with the starting winding of the motor. The phase displacement between Im & Is is
Question 8
An arc is produced when the switch of a high-voltage and large-current circuit is
Question 9
A conductor of length 0.6 m is situated at the right angle to a uniform magnetic field of flux density 4 Wb/sq. m. The conductor is moving with a velocity of 50 m/s. Calculate the emf induced (in V) n the conductor.
Question 10
Determine the value of current (in mA) required for the full-scale deflection of a voltmeter when the sensitivity of the voltmeter is 125 Ohms/Volt.
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ESE & GATE EEGeneralMar 23ESE & GATE EE