Q3) Choose the co 9) When a capacitor is connected to an a.c. supply the curr (a) leads the voltage by 180° (c) leads the voltage by 1/2 rad (b) is in (d) lags 10) In an R-L-C series a.c. circuit a current of 5 A flows phase angle between current and voltage is 60° lagging false? (a) The circuit is effectively inductive (c) The equivalent circuit reactance is 25 £2 11) An a.c. supply is 70.7 V, 50 Hz . Which of the follow (a) The periodic time is 20 ms. (b) The peak value of the voltage is 70.7 V (c) The r.m.s. value of the voltage is 70.7 V (d) The peak value of the voltage is 100 V 12) When the frequency of an a.c. circuit containing resis
Q3) Choose the co 9) When a capacitor is connected to an a.c. supply the curr (a) leads the voltage by 180° (c) leads the voltage by 1/2 rad (b) is in (d) lags 10) In an R-L-C series a.c. circuit a current of 5 A flows phase angle between current and voltage is 60° lagging false? (a) The circuit is effectively inductive (c) The equivalent circuit reactance is 25 £2 11) An a.c. supply is 70.7 V, 50 Hz . Which of the follow (a) The periodic time is 20 ms. (b) The peak value of the voltage is 70.7 V (c) The r.m.s. value of the voltage is 70.7 V (d) The peak value of the voltage is 100 V 12) When the frequency of an a.c. circuit containing resis
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter19: Capacitors
Section: Chapter Questions
Problem 3PA: You find that a 25-F capacitor connected to 480 VAC is defective. The storeroom has no capacitors...
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