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Standard X
Physics
Combination of Resistances
Two resistors...
Question
Two resistors of resistance 2
Ω
and 4
Ω
when connected to a battery will have
A
same current flowing through them when connected in parallel
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B
same current flowing through them when connected in series
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C
same potential difference across them when connected in
series
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D
different potential difference across them when connected in
parallel
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Solution
The correct option is
A
same current flowing through them when connected in series
Current through resistances connected in series is same.
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Similar questions
Q.
Question 17
Two resistors of resistance 2
Ω
and 4
Ω
when connected to a battery will have
(a) same current flowing through them when connected in parallel
(b) same current flowing through them when connected in series
(c) same potential difference across them when connected in series
(d) different potential difference across them when connected in parallel
Q.
If two resistors of resistance 30
Ω
and 40
Ω
are connected in parallel across a battery. The ratio of the potential difference across them is _____.
Q.
A current of
2
A
flows through a
2
Ω
resistor when connected across a battery. The same battery supplies a current of
0.5
A
, when connected across a
9
Ω
resistor. The internal resistance of the battery is:
[
1 Mark
]
Q.
The ratio of resistances of two resistors A and B connected in series is 1:4 and the current passing through them is 10 A. Then the ratio of current that flows through them when connected in parallel and connected across the same pd is ____
Q.
A potential difference of 4 V is applied to two resistors of 6
Ω
and 2
Ω
connected in series. Calculate : (a) the combined resistance (b) the current flowing (c) the potential difference across the 6
Ω
resistor
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