The most commonly used semiconductor is________________?
The most commonly used semiconductor is________________?
A. Germanium
B. Silicon
C. Carbon
D. Sulphur
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In RC coupling, the value of coupling capacitor is about_______________?A. 100 pF
B. 0.1 µF
C. 0.01 µF
D. 10 µFThe diameter of the rotor shaft for an electric motor depends on which of the following ?
The diameter of the rotor shaft for an electric motor depends on which of the following ?A. r.p.m. only
B. Horse power only
C. Horse power and r.p.m.
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Which one of the following can be taken as the measure of electric intensity ?A. F/A
B. V/A
C. VF/A
D. q/VAA reluctance motor_________________?
A reluctance motor_________________?A. is provided with slip rings
B. requires starting gear
C. has high cost
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A pony motor is used for the starting which of the following motors ?A. Squirel cage induction motor
B. Schrage motor
C. Synchronous motor
D. None of the aboveWhich of the following is essentially needed while selecting a motor ?
Which of the following is essentially needed while selecting a motor ?A. Pulley
B. Starter
C. Foundation pedal
D. Bearings