Switching Circuits – Exercise – 1

Switching Circuits » Exercise – 1

1. A switch has …………..

(a) one state
(b) two states
(c) three states
(d) none of the above

Answer
Answer : (b)
Explanation
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2. A relay is ………….. switch.

(a) a mechanical
(b) an electronic
(c) an electromechanical
(d) none of the above

Answer
Answer : (c)
Explanation
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3. The switch that has the fastest speed of operation is ………….. switch.

(a) electronic
(b) mechanical
(c) electromechanical
(d) none of the above

Answer
Answer : (a)
Explanation
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4. The main disadvantage of a mechanical switch is that it …………..

(a) is operated mechanically
(b) is costly
(c) has high inertia
(d) none of the above

Answer
Answer : (a)
Explanation
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5. The maximum speed of electronic switch can be ………….. operations per second.

(a) 104
(b) 10
(c) 1000
(d) 109

Answer
Answer : (d)
Explanation
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