7. The time constant of the capacitance circuit is defined as the time during which
voltage ________.
(a) falls to 36.8% of its final steady value (b) rises to 38.6% of its final steady value (c) rises to 63.2% of its final steady value (d) none of the above
Answer
Answer : (c)
Explanation
Explanation : No answer description available for this question. Let us discuss.
AC Fundamentals » Exercise - 1 31. The power consumed in a circuit element will be least when the phase difference between the current and voltage is ________. (a) 00 (b) 300 (c) 900 (d) 1800
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) none of the above
Tags: ac, fundamentals, exercise, time, basic, electrical, engineering
AC Fundamentals » Exercise - 1 37. In a pure resistor, the voltage and current are ________. (a) out of phase (b) in phase (c) 900 out of phase (d) 450 out of phase
AC Fundamentals » Exercise - 136. If the peal value of a certain sine wave voltage is 10 V, what is they peak to peak value ? (a) 20 V (b) 10 V (c) 5 V (d) 7.07 V