| 1. | According to which of the alternating current values in the cross-sectional area of a conductor with regard to the heating effect is selected ? | |
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peak value
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half peak value
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average value
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r.m.s. value
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Report Question| 2. | Time constant of a capacitive circuit ? | |
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increases with the decrease of capacitance and decrease of resistance
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increases with the decrease of capacitance and increase of resistance
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increases with the increase of capacitance and decrease of resistance
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increase with increase of capacitance and increase of resistance
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| 3. | For the same peak value which of the following wave will have the highest r.m.s. value ? | |
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square wave
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half wave rectified sine wave
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triangular wave
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sine wave
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| 4. | The period of a wave is ? | |
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the same as frequency
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time required to complete one cycle
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expressed in amperes
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none of the above
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| 5. | In a highly capacitive circuit the ? | |
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apparent power is equal to the actual power
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reactive power is more than the apparent power
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reactive power is more than the actual power
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actual power is more than its reactive power
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| 6. | The power is measured m terms of decibles in case of ? | |
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electronic equipment
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transformers
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current transformers
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auto-transformers
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| 7. | The best place to install a capacitor is ? | |
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very near to inductive load
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across the terminals of the inductive load
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far away from the inductive load
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any where
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| 8. | In an A.C. circuit power is dissipated in ? | |
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resistance only
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inductance only
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capacitance only
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none of the above
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| 9. | A parallel resonant circuit can be used ? | |
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as a high impedance
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to reject a small band of frequencies
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both (a) and (b)
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to amplify certain frequencies
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| 10. | Higher the Q of a series circuit ? | |
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broader its resonance curve
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narrower its pass band
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greater its bandwidth
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sharper its resonance
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