Question

19. i) State the working principle of Meter Bridge used to measure an unknown

resistance.

ii) Give reason, why the connection between the resistors in a meter bridge are

made of thick copper strips.

iii) Calculate the potential difference across ​

Answer 1

answer:-- The connections between the resistors are made of thick wires so as to increase the rate of cross-section. Therefore, the resistance of wires is almost negligible. b) Balance point is obtained in the middle of the meter bridge wire so as to increase the sensitivity of the meter bridge.

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