Kelvi

A 250-turn rectangular coil of length 2.1 cm and width 1.25 cm carries a current of 85 $\mu A$ and is subjected to a magnetic field of strength 0.85 T. The work done for rotating the coil by $180°$ against the torque is

hard

Moving Charges and Magnetism

2017

physics

$4.55 \mu J$

$2.3 \mu J$

$1.15 \mu J$

$9.1 \mu J$

Explanation

To solve this problem, we need to calculate the work done in rotating the coil by $180^\circ$ against the torque. $\\$ Given: $\\$ • Number of turns $(N) = 250 \\$ • Length of the coil $(l) = 2.1$

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A 250-turn rectangular coil of length 2.1 cm and width 1.25 cm carries a current of 85 μA \mu A μA and is subjected to a magnetic field of strength 0.85 T. The work done for rotating the coil by 180° 180° 180°against the torque is

Explanation

Our AI powered practice platform can help you achieve your doctor dream.

A 250-turn rectangular coil of length 2.1 cm and width 1.25 cm carries a current of 85 $\mu A$ and is subjected to a magnetic field of strength 0.85 T. The work done for rotating the coil by $180°$ against the torque is