Q.10 The direction of rotation of a dc motor can be reversed:Ans A. By reversing the connections of either the armature or the field winding connection with the supply.B. By introducing an extra resistance in the armature circuit.C. ...
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Q.8 A chopper, in which current remains positive but voltage may be positive or negative, is known as:Ans A. Chopper Type CB. Chopper Type DC. Chopper Type ED. Chopper Type ACorrect Ans Provided: B
Q.11 A rectangular waveform varying from +E to −E is applied to a series connected C-R circuit. The waveform of the voltage drop across the resistor is observed. When R is small, voltage across the resistor is:Ans A. ...
Q.15 Cumulatively compounded motors are used where we require:Ans A. Constant speedB. Sudden heavy loads for short durationC. Variable speedD. Poor speed regulationCorrect Ans Provided: B
Q.2 The minimum rate at which a signal can be sampled and still be reconstructed from its samples is known as:Ans A. SamplingB. Anti aliasingC. SpectrumD. Nyquist rateCorrect Ans Provided: D
Q.7 6Ans A.B.C.D.Correct Ans Provided: A
Q.14 An ideal voltage source has _______ source resistance.Ans A. Very high load resistanceB. Small amountC. Equal amount of load resistanceD. ZeroCorrect Ans Provided: D
Q.3 The Schering bridge is ideally suited to measure:Ans A. Mutual inductance of a coilB. Dielectric loss of an insulatorC. Self inductance of a coilD. Supply frequency of the bridgeCorrect Ans Provided: B
Q.5 MOV A, C RAR RAR RAR RAR MOV C, A HLTs The program is for :Ans A. Right shiftB. Once complement of a ...
Q.1Ans A.B.C.D.Correct Ans Provided: A
