| 1. | A network is said to be non-linear if it does not satisfy ? | |
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homogeneity condition
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superposition condition
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both (a) and (b)
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associative condition
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Report Question| 2. | Which of the following theorems enables a number of voltage (or current) source to be combined directly into a single voltage (or current) source ? | |
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Superposition theorem
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Compensation theorem
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Millman's theorem
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Thevenin's theorem
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| 3. | The shunt element of prototype high pass filter is ? | |
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resistive
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inductive
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capacitive
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combination of L and C
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| 4. | A balanced star connected load is supplied from a symmetrical three phase 440 V system. It draws current of 40 A at 0.866 power factor lagging. The total power taken by the load will be ? | |
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13.2 kW
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26.4 kW
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30.4 kW
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40.4 kW
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| 5. | An alternating voltage is given in volts by expression V :: 326 sin 814 t. Its r.m.s. value and frequency are ? | |
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230 V, 50 Hz
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280 V, 100 Hz
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326 V, 50 Hz
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326 V, 100 Hz
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| 6. | In the case of an unsymmetrical alternating current the average value must always be taken over ? | |
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unsymmetrical part of the wave form
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the quarter cycle
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the half cycle
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the whole cycle
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| 7. | ln a loss-free R-L-C circuit the transient current is ? | |
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oscillating
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square wave
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sinusoidal
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non-oscillating
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| 8. | The phase difference between voltage and current wave through a circuit element is given as 30ยบ. The essential condition is that ? | |
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both waves must have same frequency
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both waves must have identical peak values
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both waves must have zero value at the same time
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none of the above
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| 9. | The peak value of a sine wave is 200 V. Its average value is ? | |
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127.4 V
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141.4 V
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282.8 V
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200 V
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| 10. | The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA. The power drawn by the circuit is ? | |
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12 kW
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22 kW
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32 kW
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64 kW
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