2017-08-12 07:08
Electronic Devices Objective MCQ Questions with Answers: Part-7(1) The reverse current in a diode is of the order ofOptions:[a] kA[b] mA[c] μA[d] AAnswers:1. Options B and C2. Option… Read More
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2016-11-28 10:10
Multiple Choice Questions Answers on Thyristors (SCR)1. An SCR is a ...... triggered device(1) Voltage(2) Current(3) Voltage as well as current(4) None of the aboveAns: 2 Answer 2. In a… Read More
2016-11-26 09:28
Power Electronics Objective Type Questions with Answers on SCR1. An SCR is made of silicon and not germanium because silicon ....(1) is inexpensive(2) is mechanically strong(3) has small lea… Read More
2016-06-13 15:51
Measurements Instrumentation MCQ Questions Answers: Part-11[1] The percentage limiting error, in the case of an instrument reading of 8.3V with a 0 to 150V voltmeter having a guaranteed accu… Read More
2016-04-30 08:57
Measurements Instrumentation Objective Type Questions Answers: Part-10[1] A 12 bit counter type A/D converter uses a 1 MHz clock. Its maximum conversion time isA) 1 μsB) 12μsC) 4096&mu&hell…Read More
2016-02-09 15:56
Electrical Engineering Basics Objective Questions with Answers[1] Electrostatics is a branch of electricity concerned with(a) Energy flowing across a gap between conductors(b) Charges at res… Read More
2015-09-25 08:07
DC Motor DC Generator Multiple Choice Questions with Solutions:[1] Which of the following statements is false?(a) A DC motor converts electrical energy to mechanical energy(b) The efficiency… Read More
2015-08-21 14:44
3 Phase Induction Motors Related ( MCQ ) Objective Questions with Answers[1] Which of the following statements about a three-phase squirrel-cage induction motor are false?(a) It has no exter… Read More
2015-07-08 16:39
Objective Type Questions on Basic Electrical Engineering -Part16[1] A 240V, 60W lamp has a working resistance of:(a) 1400Ω(b) 60Ω(c) 960Ω(d) 325ΩAns: C Answ… Read More
2015-05-21 17:01
Power Electronics Objective Questions and Answers[Q-1] When an inductance is inserted in the load circuit of SCR(a) The turn on time of SCR is increased(b) Output voltage is reduced for the… Read More
2015-05-21 16:40
Multiple Choice Questions with Answers on Power Electronics and Drives[Q-1] Silicon based rectifiers are preferred than germanium based rectifiers because(a) Si is available easily compared… Read More
2015-02-16 14:22
First year Engineering Basic Electrical Engineering Objective Questions[1] The coulomb is a unit of:(a) Energy(b) Voltage(c) Power(d) Quantity of electricityAns: D Answer [2] A charge o… Read More
2015-01-03 01:49
Multi-Choice Questions [MCQ] with Answers from Batteries[1] A battery consists of(a) A cell(b) A circuit(c) A generator(d) A number of cellsAnswer: D Answer [2] The terminal potential d… Read More
2014-12-27 08:52
MEASUREMENTS AND INSTRUMENTATION OBJECTIVE QUESTIONS WITH ANSWERS[1] A rectifier type instrument is connected to 100VDC and is operated in the DC measuring module reads(a) 111V(b) 90V(c) 50V… Read More
2014-12-07 15:42
Electronics Devices Objective Type Questions[1] A Zener diode is used fora) Voltage Regulationb) Rectificationc) Noise Suppressiond) Blocking A.C Ans: Voltage Regulation… Read More
2014-11-18 08:14
Measurements and Instruments Objective Questions with Answers[1] The most preferred material for the control spring is(a) German silver(b) Platinum silver(c) Silicon bronze(d) Phosphor bronz… Read More
2014-11-07 16:03
Measurements Instrumentation Objective Questions with Answers[1] A mulliammeter can be used as(a) Voltmeter and ammeter(b) Wattmeter(c) Ohmmeter(d) Frequency meterAns:A Answer [2] Whic… Read More
2014-10-19 17:04
MCQ in Electrical Measurements and Instrumentation[1] A 10MHz CRO has(a) 5MHz sweep(b) 10MHz vertical oscillator(c) 10MHz horizontal oscillator(d) 10MHz supply frequencyAns: C Answer [2… Read More
2014-10-19 16:53
Basic electronics Multiple Choice Questions: Part-6[1] A network designed to pass signals with all frequencies except those between two specified cut-off frequencies is called a(a) low-pass… Read More
2014-09-27 15:59
Transformers Objective Questions with Answers:[1] High frequency transformers sometimes make use of ferrite cores because it hasA. High specific gravityB. High resistanceC. High hysteresisD… Read More
2014-08-07 16:22
Objective Questions from Measurements Instrumentation [1] A CRO can display(a) AC signals(b) DC signals(c) Both AC and DC signals(d) Time invariant signalsAns: C Answer [2] The int… Read More
2014-07-23 17:19
Electrical Objective Questions with Answers:[1] In a uniform electric field, field lines and equipotentials [Gate 1997 ]a) Are parallel to one anotherb) Intersect at 45 degc) Intersect at 30… Read More
2014-02-11 11:40
Multiple Choice Questions Based on Power Electronics and Drives[1] When a line commutated converter operates in the inverter mode(a) It draws both real and reactive power from the AC supply(… Read More
2014-02-11 11:23
Power Electronics Objective Type Questions with Answers: Part-11[1] In a SCR,(a) Gate current is directly proportional to forward breakover voltage(b) As gate current is raised, forward brea… Read More
2014-02-11 11:23
Power Electronics Multiple Choice Questions[1] During forward blocking state, the SCR has(a) Low current, medium voltage(b) Low current, large voltage(c) Medium current, large voltage(d… Read More
2014-02-11 11:22
Power Electronics Objective Questions with Answers: Part-101. SCR is the solid state equivalent of(a) Transistor(b) Thyratron(c) Vacuum diode(d) Crystal diodeAnswer: B2. With gate open, if t… Read More
2014-02-11 11:21
Electronic Devices Objective Questions [1] For harmonic generation the amplifier used isa)Audio Amplifierb)Class-A Amplifierc)RC Amplifierd)class-C Turned Amplifier Ans:D Answer… Read More
2014-02-11 11:21
[1] In order for a BJT to conduct under the conditions of no signal input, the bias must be(a) In the reverse direction at the E-B junction, sufficient to cause forward breakover.(b) In t… Read More
2014-02-11 11:21
Basic Electrical Engineering Objective Questions[1] Power is defined asa) The rate at which current flows in a circuitb) The product of voltage and resistance in a circuitc) The rate at whic… Read More
2014-02-11 11:20
[1] The degree of mechanical vibrations produced by the laminations of a transformers depends onA. Tightness of clampingB. Gauge of laminationsC. Size of laminationsD. All of the aboveAns: D… Read More
2014-02-07 03:53
Electron Devices Objective Type Questions1.When a piece of copper and another of germanium are cooled from room temperature to 800 K then the resistance of -a) Each of them increasesb) Each… Read More
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