# AC Fundamentals – Exercise – 1

AC Fundamentals » Exercise – 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) noneoftheabove

Explanation
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2. The form factor is the ratio of ________.

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

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

(a) triangular wave
(b) sine wave
(c) square wave
(d) halfwaverectifiedsinewave

Explanation
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4. Form factor for a sine wave is ________.

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

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) sinewave

Explanation
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