Question

Two resistors of resistance 2 ohm and 4 ohm 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​

Answer 1

Explanation:

same current flowing through them which is connected in series..

so the answer is B.

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Answer 2

The correct statement for this question is given by Option b.

• In a series connection same current flows through the entire circuit. This is because resistors are connected in sequence and the current flowing has a common path which is not dividing.
• Two resistors though having 2 ohms and 4 ohms resistance, but in a single path of current flow has the same current in series connection.
• Option a is not correct because in parallel connection path of current segregates and therefore current divides and resistance does not have the same current flow.
• Option c is incorrect because the potential difference between two ends is not the same in series connection as two ends of resistors have different potential difference than battery.
• Option d is not correct because the potential difference is the same through resistors in parallel connection because all ends are connected to one common junction of battery.
• Hence, when connected in parallel current is the same is only correct.

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