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Current Electricity
One Newton meter is same as
One joule second
Five joules
One watt
One joule
One joule second
Five joules
One watt
One joule
Answer
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Related Question
Current Electricity
In an electric kettle water boils in 10 m minutes. It is required to boil the boiler in 15 minutes, using same supply mains
None of these
Length of heating element has no effect on heating if water
Length of heating element should be increased
Length of heating element should be decreased
None of these
Length of heating element has no effect on heating if water
Length of heating element should be increased
Length of heating element should be decreased
Answer
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Current Electricity
For testing appliances, the wattage of test lamp should be
Very low
Low
High
Any value
Very low
Low
High
Any value
Answer
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Current Electricity
The resistance of a conductor varies inversely as
Length
Are of cross-section
Temperature
Resistivity
Length
Are of cross-section
Temperature
Resistivity
Answer
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Current Electricity
The resistance of a straight conductor is independent of
Cross-sectional area
Shape of cross-section
Temperature
Material
Cross-sectional area
Shape of cross-section
Temperature
Material
Answer
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Current Electricity
Resistance of a carbon filament lamp _______ as the applied voltage increases.
Increases
Decreases
None of the listed here
Remains same
Increases
Decreases
None of the listed here
Remains same
Answer
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