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 Both waves must have zero value at the same time None of these 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 these Both waves must have same frequency Both waves must have identical peak values ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The effective resistance of an iron-cored choke working on ordinary supply frequency is more than its true resistance because of Skin effect Iron loss in core Increase in temperature Capacitive effect between adjacent coil turns Skin effect Iron loss in core Increase in temperature Capacitive effect between adjacent coil turns ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory All definitions of power factor of a series R-L-C circuit are correct except Ratio of kW and kVA Ratio of net reactance and impedance Ratio of J and Z Ratio of W and VA Ratio of kW and kVA Ratio of net reactance and impedance Ratio of J and Z Ratio of W and VA ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The safest value of current the human body can carry for more than 3 second is 4 mA 5 mA 15 mA 9 mA 4 mA 5 mA 15 mA 9 mA ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In any A.C. circuit always Actual power is more than reactive power Apparent power is more than actual power Reactive power is more than actual power Reactive power is more than apparent power Actual power is more than reactive power Apparent power is more than actual power Reactive power is more than actual power Reactive power is more than apparent power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure inductive circuit if the supply frequency is reduced to 1/2, the current will Be reduced to one fourth Be four times as high Be doubled Be reduced by half Be reduced to one fourth Be four times as high Be doubled Be reduced by half ANSWER DOWNLOAD EXAMIANS APP
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