Under what condition will the strength of current in a wire of resistance |
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a) |
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b) |
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c) |
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d) |
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Under what condition will the strength of current in a wire of resistance |
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a) |
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b) |
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c) |
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d) |
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(c) In series combination of cells current, In parallel combination of cell, If It will be so if |
Two bulbs 40 W and 60 W and rated voltage 240 V are connected in series across a potential difference of 420 V. Which bulb will work at above its rated voltages? |
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a) |
40 W bulb |
b) |
60 W bulb |
c) |
Both will work |
d) |
None of these |
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