Practicing Success
Practicing Success
CUET Preparation Today
The resistance of a potentiometer wire of length 4 m is 10 Ω. A resistance box and 2 V accumulator are connected in series with it. What resistance should be introduced in the box to have a potential drop of 1μV/mm of the potentiometer wire? |
799.9 Ω 790 Ω 9.995 Ω 4990 Ω |
4990 Ω |
The correct answer is Option (4) → 4990 Ω |
