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Current Electricity
A rheostat differs from potentiometer in the respect that it
Has lower wattage rating
Has large number of turns
Offers large number of tapping
Has higher wattage rating
Has lower wattage rating
Has large number of turns
Offers large number of tapping
Has higher wattage rating
Answer
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Related Question
Current Electricity
In the case of direct current
Magnitude of current remains constant
Magnitude and direction of current remains constant
Magnitude and direction of current changes with time
Magnitude of current changes with time
Magnitude of current remains constant
Magnitude and direction of current remains constant
Magnitude and direction of current changes with time
Magnitude of current changes with time
Answer
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Current Electricity
The SI unit of power is
Watt-hour
Watt
Coulomb
Henry
Watt-hour
Watt
Coulomb
Henry
Answer
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Current Electricity
Ampere-hour is the unit of
Power
Strength of current
Energy
Quantity of electricity
Power
Strength of current
Energy
Quantity of electricity
Answer
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Current Electricity
A wire having very high value of conductance is said to be
Insulator
Moderately good conductor
None of the listed here
Very good conductor
Insulator
Moderately good conductor
None of the listed here
Very good conductor
Answer
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Current Electricity
When one lag of parallel circuit is opened out the total current will
Increases
None of the listed here
Become zero
Decreases
Increases
None of the listed here
Become zero
Decreases
Answer
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