AC Fundamentals, Circuit and Circuit Theory Inductance of coil Becomes zero with the increase in supply frequency Increases with the increase in supply frequency Is unaffected by the supply frequency Decreases with the increase in supply frequency Becomes zero with the increase in supply frequency Increases with the increase in supply frequency Is unaffected by the supply frequency Decreases with the increase in supply frequency 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 J and Z Ratio of W and VA Ratio of net reactance and impedance Ratio of kW and kVA Ratio of J and Z Ratio of W and VA Ratio of net reactance and impedance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Capacitors for power factor correction are rated in kVA kV kVAR kW kVA kV kVAR kW ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The time constant of the capacitance circuit is defined as the time during which voltage Rises to 38.6% of its final steady value Rises to 63.2% of its final steady value None of these Falls to 36.8% of its final steady value Rises to 38.6% of its final steady value Rises to 63.2% of its final steady value None of these Falls to 36.8% of its final steady value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Capacitive reactance is more when Capacitance is less and frequency of supply is more Capacitance is more and frequency of supply is less Capacitance is less and frequency of supply is less Capacitance is more and frequency of supply is more Capacitance is less and frequency of supply is more Capacitance is more and frequency of supply is less Capacitance is less and frequency of supply is less Capacitance is more and frequency of supply is more 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 True power Instantaneous power Volt-amperes Reactive power True power Instantaneous power Volt-amperes Reactive power ANSWER DOWNLOAD EXAMIANS APP
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