| 1. | Which of the following statement is true both for a series and a parallel D.C. circuit ? | |
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Elements have individual currents
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Currents are additive
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Voltages are additive
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Power are additive
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Report Question| 2. | In a circuit a 33 ? resistor carries a current of 2 A The voltage across the resistor is ? | |
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33 V
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66 V
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80 V
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132V
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| 3. | The resistance of a conductor varies inversely as ? | |
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length
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area of cross-section
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temperature
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resistivity
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| 4. | Electric pressure is also called ? | |
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resistance
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power
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voltage
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energy
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| 5. | In gases the flow of current is due to ? | |
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electrons only
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positive ions only
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electrons and positive ions
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electrons, positive ions and negative ions
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| 6. | Conductance is reciprocal of ? | |
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resistance
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inductance
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reluctance
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capacitance
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| 7. | Which is the best conductor of electricity ? | |
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Iron
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Silver
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Copper
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Carbon
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| 8. | Which one of the following does not have negative temperature coefficient ? | |
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Aluminium
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Paper
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Rubber
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Mica
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| 9. | The resistance of a few metres of wire conductor in closed electrical circuit is ? | |
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practically zero
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low
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high
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very high
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| 10. | A 40W bulb is connected in series with a room beater. H now 40 W bulb is replaced, by 100 W bulb, the heater output will ? | |
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decrease
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increase
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remain same
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heater will bum out
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