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Category: ELECTRICAL ENGINEERING

ELECTRICAL ENGINEERING MCQ_41

May 10, 2020 mcqelectrical4u

636. If the gain of an open loop system is doubled, the gain margin A. Is not affected B. Gets double C. Becomes half D. Becomes one-fourth Ans.: C

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ELECTRICAL ENGINEERING MCQ_40

May 9, 2020 mcqelectrical4u

621. The equal area criterion of stability is applicable to A. Two machine system and infinite bus bars B. One machine system and infinite bus bars C. Multi-machine system only D. None of the above Ans.: B 622. The power Read More …

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ELECTRICAL ENGINEERING MCQ_39

May 8, 2020 mcqelectrical4u

606. A 400/200 volts transformer has pu impedance of 0.05. The HV side voltage required to circulate full load current during short circuit test is A. 20 V B. 40 V C. 10 V D. 5 V Ans.: A 607. Read More …

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ELECTRICAL ENGINEERING MCQ_38

May 7, 2020May 7, 2020 mcqelectrical4u

591. An inductance of one H carrying a current of two amperes will store the energy of A. 2 watts B. 2 joules C. 4 watts D. 4 joules Ans.: B 592. The square waveform of current has following relation Read More …

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ELECTRICAL ENGINEERING MCQ_37

May 6, 2020 mcqelectrical4u

Q.581 Which of the following diode has the least reserve recovery time? A. General purpose diode B. Fast recovery diode C. Both A and B D. Silicon carbide diode Ans.: D Q.582 Three phase 6-pulse rectifier is also known as Read More …

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ELECTRICAL ENGINEERING MCQ_36

May 5, 2020 mcqelectrical4u

Q.566 Resistance of bulb when connected to AC supply is ____ that of DC supply. A. Less B. Greater C. Equal D. Con not decide from the data Ans.: B Q. 567 The frequency of power in a purely resistive Read More …

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ELECTRICAL ENGINEERING MCQ_35

May 4, 2020 mcqelectrical4u

Q.541 Good power transformer has voltage regulation A. 100% B. below 5% C. Between 90% to 100% D. Between 50% and 100% Ans.: B Q.542 Power factor us the cosine of phase difference between voltage and current is the statement Read More …

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ELECTRICAL ENGINEERING MCQ_33

May 2, 2020 mcqelectrical4u

Q.511 How many pins does 8085 microprocessor have? A. 30 B. 39 C. 40 D. 41 Ans.: C Q.512 With logic family provided minimum power dissipation? A. TTL B. CMOS C. ECL D. JFET Ans.: B Q.513 When a step Read More …

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ELECTRICAL ENGINEERING MCQ_32

May 1, 2020 mcqelectrical4u

Q. 496 If the absolute voltage gain of an amplifier is 100 then its decibel gain is A. 20 dB B. 10 dB C. 40 dB D. 60 dB Ans.: C Q.497 In an amplifier coupling capacitor is used to Read More …

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ELECTRICAL ENGINEERING MCQ_34

April 30, 2020May 3, 2020 mcqelectrical4u

Q.526 Phase difference between the output and input voltage of common Emitter Amplifier is A. 180° B. 0° C. 270° D. 90° Ans.: A Q.527 A series capacitor used in a filter circuit represent A. low pass filter B. Band Read More …

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