Switching Circuits – 1 – 1

1. A switch has …………..

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

ANSWER

EXPLANATION

2. A relay is ………….. switch.

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

ANSWER

EXPLANATION

3. The switch that has the fastest speed of operation is ………….. switch.

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

ANSWER

EXPLANATION

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

EXPLANATION

5. The maximum speed of electronic switch can be ………….. operations per second.

(a) 104
(b) 10
(c) 1000
(iv) 109

ANSWER

EXPLANATION

1

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