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LMRC JE 2018 EE: Practice Quiz 23
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Question 1
For the same kVA rating, the leakage flux in induction motor is……………………that of transformer.
Question 2
The product of emitter efficiency (γ) and Base transport factor (β*) for a BJT is equal to:
Question 3
In a circuit arrangement as shown, which among the voltmeter will depict 0 volts, when a battery of 6 volts is connected across it?
Question 4
If a wire is melted and recast to half of its length, then the new resistance is
Question 5
What is the approximate rotor efficiency of a 6-pole, 3-phase induction motor running at
Question 6
A single-stage amplifier has a voltage gain of 100. The load connected to the collector is 500Ω and its input impedance is 1kΩ. Two such stages are connected in cascade through an R-C coupling. The overall gain is
Question 7
Soft magnetic materials have –
Question 8
The waveform shown in figure will occur during testing of alternator using oscilloscope. This waveform will occur when there is:
Question 9
The current entering the terminal of an element is given by:
i = (6t2 – 2t) A
The total charge entering the terminal between t = 1 s and t = 3s is
i = (6t2 – 2t) A
The total charge entering the terminal between t = 1 s and t = 3s is
Question 10
If the fault current is 2000 A, the relay setting 50% and C.T. ratio 400/5, the plug setting multiplier will be
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ESE & GATE EEGeneralDec 13ESE & GATE EE