EE SHORT NOTES AC FUNDAMENTALS 5
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Attempt Free EE SHORT NOTES AC FUNDAMENTALS 5 Here. Read The Important Electrical MCQ From Below.
81

The r.m.s. value of a halfwave rectified current is 100 A. Its value for fullwave rectification would be____ amperes.
141.4 [other wrong options are – 200, 200/π, 40/π, ] 
82

For the same peak value, which of the following wave has the least mean value ?
Half wave rectified sine wave [other wrong options are – Triangular wave, Sine wave, Square wave, ] 
EE SHORT NOTES AC FUNDAMENTALS 5
83

The time period of a sine wave is 1/50 seconds. Its frequency is
50 Hz [other wrong options are – 20 Hz, 30 Hz, 40 Hz, ] 
84

For the same peak value of voltage which wave form will have the least r.m.s. value ?
Triangular wave [other wrong options are – Sine wave, Square wave, Full wave rectified sine wave, ] 
85

The series element of a band stop filter is
Parallel combination of L and C [other wrong options are – Capacitive, Inductive, Series combination of L and C, ] 
86

Selectivities of different resonance circuits are compared in terms of their
Band widths [other wrong options are – Impedances, Reactances, Frequencies, ] 
EE SHORT NOTES AC FUNDAMENTALS 5
87

While drawing vector diagram for a series circuit the reference vector is
Current [other wrong options are – Voltage, Power, Phase angle, ] 
88

Which of the following waves has the highest value of peak factor ‘?
Half wave rectifier sine wave [other wrong options are – Square wave, Sine wave, Triangular wave, ] 
89

The ratio of active power to apparent power is known as ____ factor.
Power [other wrong options are – Demand, Load, Form, ] 
90

Which of the following circuit component opposes the change in the circuit voltage
Capacitance [other wrong options are – Inductance, Conductance, Resistance, ] 
EE SHORT NOTES AC FUNDAMENTALS 5
91

Power factor of an inductive circuit is usually improved by connecting capacitor to it in
Parallel [other wrong options are – Series, Either (A) or (B), None, ] 
92

For the same peak value which of the following wave will have the highest r.m.s. value ?
Square wave [other wrong options are – Half wave rectified sine wave, Triangular wave, Sine wave, ] 