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Current Electricity
The filament of electrical bulb is made of
Tungsten
Aluminium
Steel
Nickel
Tungsten
Aluminium
Steel
Nickel
Answer
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Related Question
Current Electricity
At 0 K, germanium behaves as
A conductor
A ferromagnetic substance
A superconductor
An insulator
A conductor
A ferromagnetic substance
A superconductor
An insulator
Answer
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Current Electricity
The rating of a fuse wire is always expressed in
Ampere-volts
Amperes
Ampere-hours
kWh
Ampere-volts
Amperes
Ampere-hours
kWh
Answer
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Current Electricity
Three resistance of 10 ohms, 15 ohms, and 30 ohm are connected in parallel. The total resistance of the combination is
15 ohms
10 ohms
55 ohms
5 ohms
15 ohms
10 ohms
55 ohms
5 ohms
Answer
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Current Electricity
Constantan wire is used for making starndard resistance because it has
High melting point
High specific resistance
Low specific resistance
Negligibly small temperature co-efficient of resistance
High melting point
High specific resistance
Low specific resistance
Negligibly small temperature co-efficient of resistance
Answer
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Current Electricity
Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open
There will be heavy current in the main line
The other two bulbs will light
Rest of the two bulbs will not light
All three bulbs will light
There will be heavy current in the main line
The other two bulbs will light
Rest of the two bulbs will not light
All three bulbs will light
Answer
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