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UPPCL JE 2017: Mini Quiz 2
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Question 1
The series ohmmeter shown in Fig. is made up of a 3 V battery, a 100μA meter and a resistance r which has a fixed value of 30-kΩ What is the value of unknown resistance R, when the pointer indicates half full-scale deflection?
Question 2
If the forward voltage in a semiconductor diode changes from 0.7 V to 0.8 V, then forward current changes from 10 mA to 20 mA. The forward a.c. resistance of the diode is
Question 3
The armature of a d.c. machine having 10 poles is rotating at a speed of 10 revolutions per second. The number of hysteresis loops formed per second is……………….
Question 4
A lighting stroke discharges impulse current of 10 kA (peak) on a 400 kV transmission line having surge impedance of 250 Ω. The magnitude of transient over-voltage traveling waves in either direction assuming equal distribution form the point of lighting strike will be
Question 5
When the pointer of an indicating instrument is in the final deflected position ……………………
Question 6
If the circuit shown in figure is connected to 120 V d.c., the current drawn by the circuit is …………….
Question 7
The nature of armature winding of a d.c. machine is decided by……………….
Question 8
Which among the following terminal devices are not applied as solid state relay?
Question 9
A coil of resistance 5-Ω and inductance 8-mH is shunted by a capacitor of 2-nF. The bandwidth of the resonant circuit of the supply frequency to the circuit is 50 Hz?
Question 10
Find the Thevenin resistance
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ESE & GATE EEGeneralMay 18ESE & GATE EE
