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SSC JE 2017: Mini Mock 1
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Question 1
In a common emitter amplifier, the non-bypassed emitter resistance provides __________.
Question 2
A BJT is said to be operating in the saturation region, if:
Question 3
For V-curves for a synchronous motor the graph is drawn between:
Question 4
The rated speed of a given d.c. shunt motor is 1050 r.p.m. To run this machine at 1200 r.p.m. the following speed control scheme will be used:
Question 5
Regulation of an alternator supplying resistive or inductive load is:
Question 6
Internal heating of capacitor is usually attributed to________.
Question 7
Resistance temperature coefficient of copper at 20C is
Question 8
Which insulation is most widely used for covering wires/cables used in internal wiring ?
Question 9
The magnetic potential difference in a magnetic circuit is given by:
Question 10
Flow of electrons in the circuit constitutes ____________.
Question 11
Fleming's left hand rule is used to find ___________.
Question 12
The relative permeability of a material is 0.95. The material is ________.
Question 13
Magnetic recording tape is most commonly made from _________.
Question 14
An inductor is supplied from a sinusoidal voltage source. The magnetic field energy in the inductor changes from peak value to minimum value in 10 msec. The supply frequency is
Question 15
The voltage of a circuit is measured by a voltmeter having input impedance comparable with the output impedance of the circuit thereby causing error in voltage measurement. This error may be called as_________.
Question 16
Voltmeter is a galvanometer with _____.
Question 17
Speed of the megger is kept at:
Question 18
The power factor of an a.c. circuit is given by:
Question 19
The active and reactive powers of an inductive circuit are 60W and 80VAR respectively. The power factor of the circuit is:
Question 20
Which of the following is non-linear circuit parameter?
Question 21
In the circuit shown in figure, find the transient current i(t) when the switch is closed at t = 0. Assume zero initial condition.
Question 22
As per IE rules the permissible variation of voltage at the consumer end is:
Question 23
The purpose of choke in a fluorescent tube is to:
Question 24
The maximum demand of a consumer is 2 kW and his daily energy consumption is 20 units. His load factor is:
Question 25
For what voltage is the H-type of poles used?
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ESE & GATE EEGeneralJun 16ESE & GATE EE