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Current Electricity
When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will
None of these
Decrease
Remain constant
Increase
None of these
Decrease
Remain constant
Increase
Answer
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Related Question
Current Electricity
The electrical energy required to heat a bucket of water to a certain temperature is 4 kWh. If the heat losses are 20 percent, the energy input is
2 kWh
3.2 kWh
6 kWh
5 kWh
2 kWh
3.2 kWh
6 kWh
5 kWh
Answer
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Current Electricity
An electric filament bulb can be worked from
Battery supply only
DC supply only
AC supply only
All of the listed here
Battery supply only
DC supply only
AC supply only
All of the listed here
Answer
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Current Electricity
Resistance of a tungsten lamp _____ as applied voltage increases.
Increases
Decreases
Remains same
None of the listed here
Increases
Decreases
Remains same
None of the listed here
Answer
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Current Electricity
The resistance of human body is about
10 ohm
25 ohm
1000 ohm
200 ohm
10 ohm
25 ohm
1000 ohm
200 ohm
Answer
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Current Electricity
If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes
0.8 ohm
1.0 ohm
0.4 ohm
0.6 ohm
0.8 ohm
1.0 ohm
0.4 ohm
0.6 ohm
Answer
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