CUET Preparation Today
A rectangular loop ABCD made of uniform wire is a part of an electric circuit shown in the given figure. The length AD = BC= 5 mm. The sides AB and DC are long compared to the other two sides. What will be the magnetic force per unit length acting on the wire DC due to the wire AB if the ammeter reading is 8 A?
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$1.6 × 10^{-4} Nm^{-1}$ $6.4 × 10^{-4} Nm^{-1}$ $3.2 × 10^{-4} Nm^{-1}$ $6.4 × 10^{-3} Nm^{-1}$ |
$6.4 × 10^{-4} Nm^{-1}$ |
The correct answer is Option (2) → $6.4 × 10^{-4} Nm^{-1}$ |
