Answer to Question 1 |

A light coil of dimensions 3.0 × 5.0 cm with 500 turns is placed in a magnetic field of flux density 14 mT. A steady current of 0.25 A flows through it. Calculate: (a) The maximum torque;
(b) The torque when the coil has turned
through 27 |

(a) t = 14 × 10
(b) t = 2.625 × 10 |