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Current Electricity
Eureka has _______ temperature co-efficient of resistance.
Almost zero
Positive
Negative
None of the listed here
Almost zero
Positive
Negative
None of the listed here
Answer
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Related Question
Current Electricity
What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω?
50 V
100 V
200 V
150 V
50 V
100 V
200 V
150 V
Answer
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Current Electricity
An electrical lamp coonsumes 100 W of power. If the supply voltage is 220 V the energy consumed in 30 minutes is
5 kWh
0.005 kWh
5 kWh
0.05 kWh
5 kWh
0.005 kWh
5 kWh
0.05 kWh
Answer
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Current Electricity
A closed switch has a resistance of
Zero
About 500 ohms
About 50 ohms
Infinity
Zero
About 500 ohms
About 50 ohms
Infinity
Answer
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Current Electricity
An electric filament bulb can be worked from
Battery supply only
DC supply only
All of the listed here
AC supply only
Battery supply only
DC supply only
All of the listed here
AC supply only
Answer
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Current Electricity
Which method can be used for absolute measurement of resistances?
Wheastone bridge method
Releigh method
Ohm's law method
Lorentz method
Wheastone bridge method
Releigh method
Ohm's law method
Lorentz method
Answer
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