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AC Fundamentals – 1 – 1

1. The period of a wave is :

(a) the same as frequency
(b) time required to complete one cycle
(c) expressed in amperes
(d) none of the above

Answer
Answer : (b)

Explanation
No answer description available for this question. Let us discuss.

2. The form factor is the ratio of :

(a) peak value to r.m.s. value
(6) r.m.s. value to average value
(c) average value to r.m.s. value
(d) none of the above

Answer
Answer : (b)

Explanation
No answer description available for this question. Let us discuss.

3. The r.m.s. value and mean value is the same in the case of :

(a) triangular wave
(6) sine wave
(c) square wave
(d) half wave rectified sine wave

Answer
Answer : (c)

Explanation
No answer description available for this question. Let us discuss.

4. Form factor for a sine wave is :

(a) 1.414
(b) 0.707
(c) 1.11
(d) 0.637

Answer
Answer : (c)

Explanation
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5. For the same peak value which of the following wave will have the highest r.m.s.
value ?

(a) square wave
(b) half wave rectified sine wave
(c) triangular wave
(d) sine wave

Answer
Answer : (a)

Explanation
No answer description available for this question. Let us discuss.

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