CUET Preparation Today
A moving coil galvanometer has a coil of effective area A and number of turns N. The magnetic field B is radial. If a current I is passed through the coil, the torque acting on the coil is |
$NA^2BI$ $N^2A^2BI$ $NABI$ $NAB^2I$ |
$NABI$ |
The correct answer is Option (3) → $NABI$ |
