Question

in the circuit diagram shown the two resistors a and b are of same area of cross section and same material but A is longer than B which ammeter will indicate higher reading of current ? Give reasons for your answer.​

Answer 1

Answer:

Ammeter A2 shows higher reading. Since wire A1 is longer, it has greater resistance and so draws lesser current. So more current flows through B and A2 shows higher reading.

Explanation:

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Answer 2

Answer:

A2

Explanation:

because small resistor oppose small current