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Current Electricity
A 3 Q resistor having 2 A current will dissipate the power of
6 watts
8 watts
2 watts
4 watts
6 watts
8 watts
2 watts
4 watts
Answer
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Related Question
Current Electricity
If an electric current is passed through a nerve, the man
Is excited
Becomes insensitive to pain
Begins to laugh
Begins to weep
Is excited
Becomes insensitive to pain
Begins to laugh
Begins to weep
Answer
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Current Electricity
The resistance of two wires is 25 Ω when connected in series and 6 Ω when joined in parallel. The resistance of each wire is
10 Ω, 20 Ω
5 Ω, 10 Ω
20 Ω, 30 Ω
10 Ω, 15 Ω
10 Ω, 20 Ω
5 Ω, 10 Ω
20 Ω, 30 Ω
10 Ω, 15 Ω
Answer
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Current Electricity
Insulators have _______ temperature co-efficient of resistance.
Positive
None of the listed here
Zero
Negative
Positive
None of the listed here
Zero
Negative
Answer
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Current Electricity
If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes
0.6 ohm
1.0 ohm
0.4 ohm
0.8 ohm
0.6 ohm
1.0 ohm
0.4 ohm
0.8 ohm
Answer
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Current Electricity
If the number of valence electrons of an atoms is less than 4,the substance is usually
None of the listed here
A semiconductor
An insulator
A conductor
None of the listed here
A semiconductor
An insulator
A conductor
Answer
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