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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
20 Ω, 30 Ω
10 Ω, 20 Ω
10 Ω, 15 Ω
5 Ω, 10 Ω
20 Ω, 30 Ω
10 Ω, 20 Ω
10 Ω, 15 Ω
5 Ω, 10 Ω
Answer
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Related Question
Current Electricity
E. M. F. In a circuit
None of the listed here
Decrease circuit resistance
Increases circuit resistance
Maintains potential difference
None of the listed here
Decrease circuit resistance
Increases circuit resistance
Maintains potential difference
Answer
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Current Electricity
A closed switch has a resistance of
Infinity
Zero
About 50 ohms
About 500 ohms
Infinity
Zero
About 50 ohms
About 500 ohms
Answer
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Current Electricity
Two lamps 100 W and 40 W are connected in series across 230 V. Which of the following statement is correct?
40 W lamp will glow brighter
40 W lamp will fuse
100 W lamp will glow brighter
Both lamps will glow equally bright
40 W lamp will glow brighter
40 W lamp will fuse
100 W lamp will glow brighter
Both lamps will glow equally bright
Answer
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Current Electricity
The insulation on a current carrying conductor is provided
Both of the listed here
To prevent leakage of current
None of above factors
To prevent shock
Both of the listed here
To prevent leakage of current
None of above factors
To prevent shock
Answer
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Current Electricity
The minimum charge on an ion is
Equal to the charge of an electron
None of these
Equal to the atomic number of the atom
Equal to the charge of the number of electrons in an atom (#) zero
Equal to the charge of an electron
None of these
Equal to the atomic number of the atom
Equal to the charge of the number of electrons in an atom (#) zero
Answer
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