AC Fundamentals, Circuit and Circuit Theory The frequency of an alternating current is The number of electrons passing through a point in one second The number of cycles generated in one minute The speed with which the alternator runs The number of waves passing through a point in one second The number of electrons passing through a point in one second The number of cycles generated in one minute The speed with which the alternator runs The number of waves passing through a point in one second ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For a sine wave with peak value Emax ___________ the average value is 0.707 Emax None of the listed here 0.434 Emax 0.636 Emax 0.707 Emax None of the listed here 0.434 Emax 0.636 Emax ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Time constant of a circuit is the time in seconds taken after the application of voltage to each 50% of maximum value 63% of maximum value 90% of the maximum value 25% of maximum value 50% of maximum value 63% of maximum value 90% of the maximum value 25% of maximum value 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 All the rules and laws of D.C. circuit also apply to A.C. circuit containing Inductance only Resistance only Capacitance only All above Inductance only Resistance only Capacitance only All above ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a circuit containing R, L and C, power loss can take place in Inductance only All of the listed here Capacitance only Resistance only Inductance only All of the listed here Capacitance only Resistance only ANSWER DOWNLOAD EXAMIANS APP
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