AC Fundamentals, Circuit and Circuit Theory Power factor of an inductive circuit is usually improved by connecting capacitor to it in None of the listed here Series Parallel Both parallel and series None of the listed here Series Parallel Both parallel and series ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The product of apparent power and cosine of the phase angle between circuit voltage and current is Volt-amperes Instantaneous power True power Reactive power Volt-amperes Instantaneous power True power Reactive power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to R.m.s. voltage Peak voltage None of the listed here Average voltage R.m.s. voltage Peak voltage None of the listed here Average voltage ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Skin effect occurs when a conductor carries current at _________ frequencies. Very low Medium High Low Very low Medium High Low ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that None of the listed here Both waves must have same frequency Both waves must have identical peak values Both waves must have zero value at the same time None of the listed here Both waves must have same frequency Both waves must have identical peak values Both waves must have zero value at the same time ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Inductance affects the direct current flow Only at the time of turning on Only at the time of turning off At all the time of operation At the time of turning on and off Only at the time of turning on Only at the time of turning off At all the time of operation At the time of turning on and off ANSWER DOWNLOAD EXAMIANS APP
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