Electronic Principles MCQ Questions & Answers

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Each section contains 100 MCQs on Electronic Principles .

The basic unit of measurement for resistance is the:

A) volt B) ampere C) ohm D) watt E) None of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

What is the phase shift between total current and voltage, if 100 ohm resistor connected in parallel with an inductor that has a reactance of 200W?

A) 0 degree B) 26.6 degree C) 90 degree D) 180 degree E) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

When operating below its resonant frequency, a series RLC circuit has the characteristics of a:

A) series RL circuit B) series RC circuit C) series RLC circuit operated above its resonant frequency D) purely resistive circuit E) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The valence electron of a copper atom experiences what kind of attraction toward the nucleus?

A) Strong B) Neutral C) Weak D) Impossible to say E) None of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current?

A) 0.3 A B) 0.2 A C) 0.4 A D) 0.6 A E) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Absolute Zero temperature equals

A) 0^o C B) -273^o C C) -276^o C D) 25^o C E) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

At cut off, the Q point is at

A) upper end of the load line B) middle of the load line C) lower end of the load line D) infinity E) None of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

The south pole of a magnet is the one:

A) that would be attracted to the earths north magnetic pole B) that has its molecules arranged in a random pattern C) that would be attracted to the earth's south magnetic pole D) that would be repelled by the north pole of another magnet E) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which one of the following statements is true?

A) Capacitive reactance is at a minimum for dc source voltages B) Capacitive reactance decreases as the operating frequency increases C) There is no meaningful relationship between capacitive reactance and operating frequency D) Capacitive reactance increases as the operating frequency increases E) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The peak value of a sine waveform is:

A) the amplitude at 70.7% of the maximum value B) the amplitude at 90% of the maximum value C) the amplitude at 1.41 times the maximum value D) the maximum positive or negative value E) None of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

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Electronic Principles MCQ Questions & Answers | Computer Science