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Current Electricity
The resistance of a few meters of wire conductor in closed electrical circuit is
Very high
Low
Practically zero
High
Very high
Low
Practically zero
High
Answer
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Related Question
Current Electricity
An electrical lamp coonsumes 100 W of power. If the supply voltage is 220 V the energy consumed in 30 minutes is
0.005 kWh
5 kWh
5 kWh
0.05 kWh
0.005 kWh
5 kWh
5 kWh
0.05 kWh
Answer
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Current Electricity
Conductivity is the reciprocal of
None of the listed here
Current density
Resistance
Resistivity
None of the listed here
Current density
Resistance
Resistivity
Answer
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Current Electricity
For which of the following 'ampere second' could be the unit?
Reluctance
Power
Energy
Charge
Reluctance
Power
Energy
Charge
Answer
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Current Electricity
The hot resistance of the bulb's filament is higher than its cold resistance because the temperature coefficient of the filament is
About 2 ohms per degree
Negative
Zero
Positive
About 2 ohms per degree
Negative
Zero
Positive
Answer
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Current Electricity
All of the following are equivalent to watt except
Amperes/volt
Amperes × volts
Joules/sec.
(Amperes) ohm
Amperes/volt
Amperes × volts
Joules/sec.
(Amperes) ohm
Answer
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