| 1. | The quality factor of R-L-C circuit will increase if ? | |
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R increases
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R decreases
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impedance increases
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voltage increases
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Report Question| 2. | The ratio of active power to apparent power is known as ...... factor ? | |
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demand
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load
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power
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form
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| 3. | For a frequency of 200 Hz, the time period will be ? | |
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0.05 s
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0.005 s
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0.0005 s
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0.5 s
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| 4. | In a parallel R-C circuit, the current always ...... the applied voltage ? | |
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lags
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leads
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remains in phase with
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none of the above
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| 5. | Power factor of the following circuit will be zero ? | |
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resistance
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inductance
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capacitance
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both (b) and (c)
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| 6. | The r.m.s. value of a sinusoidal A.C. current is equal to its value at an angle of ...... degrees ? | |
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90
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60
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45
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30
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| 7. | The frequency of an alternating current is ? | |
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the speed with which the alternator runs
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the number of cycles generated in one minute
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the number of waves passing through a point in one second
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the number of electrons passing through a point in one second
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| 8. | Form Factor is the ratio of ? | |
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average value / r.m.s. value
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average value / peak value
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r.m.s, value / average value
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r.m.s. value / peak value
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| 9. | Power factor of the following circuit will be unity ? | |
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inductance
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capacitance
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resistance
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both (a) and (b)
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| 10. | For 200 V r.m.s, value-triangular wave, the peak voltage will be ? | |
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200 V
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222 V
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282 V
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346 V
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