In an A.C. circuit power is dissipated in____________?
A. resistance only
B. inductance only
C. capacitance only
D. none of the above
A. resistance only
B. inductance only
C. capacitance only
D. none of the above
A. 2.5
B. 5
C. 10
D. 15
A. reactive power in a circuit
B. the extent of neutralisation of reactive power in a circuit
C. a purely capacitive circuit’s ability to pass current
D. a purely capacitive circuit’s ability to resist the flow of current
A. depends upon the magnitude of R
B. depends upon the magnitude of L
C. depends upon the magnitude of C
D. depends upon the magnitude of R, Land C
A. falls to 36.8% of its final steady value
B. rises to 38.6% of its final steady value
C. rises to 63.2% of its final steady value
D. none of the above
A. 200 Hz
B. 100 Hz
C. 60 Hz
D. 50 Hz
A. will change the maximum value of current at resonance
B. will change the resonance frequency
C. will change the impedance at resonance frequency
D. will increase the selectivity of the circuit