AC Fundamentals, Circuit and Circuit Theory Two waves of the same frequency have opposite phase when the phase angle between them is 90° 360° 0° 180° 90° 360° 0° 180° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In the case of an unsymmetrical alternating current the average value must always be taken over The quarter cycle Unsymmetrical part of the wave form The half cycle The whole cycle The quarter cycle Unsymmetrical part of the wave form The half cycle The whole cycle ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a series L-C circuit at the resonant frequency the Impedance is maximum Voltage across C is minimum Current is minimum Current is maximum Impedance is maximum Voltage across C is minimum Current is minimum Current is maximum 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 5 mA 9 mA 4 mA 15 mA 5 mA 9 mA 4 mA 15 mA ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Pure inductive circuit Consumes some power on average Takes power from the line during some part of the cycle and then returns back to it during other part of the cycle None of the listed here Does not take power at all from a line Consumes some power on average Takes power from the line during some part of the cycle and then returns back to it during other part of the cycle None of the listed here Does not take power at all from a line ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For the same peak value, which of the following wave has the least mean value? Half wave rectified sine wave Triangular wave Square wave Sine wave Half wave rectified sine wave Triangular wave Square wave Sine wave ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS