[填空题]
A circular coil 16.0 cm in diameter and contan;-qz 3 *txtmlining nine l7jc5:iv5q cy(d( h4yox ow7yuho) 1qdoops lies flat on the ground. The Earth’s magneti5 vo:idx 4oo)71(yhqhc(qyc5wj uyd 7c field at this location has magnitude $5.50\times10^{-5}\mathrm{~Т}$ and points into the Earth at an angle of 56.0$^{\circ}\,$ below a line pointing due north. If a 7.20-A clockwise current passes through the coil,
(a) determine the torque on the coil, $\times10^{-5}\mathrm{m}•\mathrm{N}$
(b) which edge of the coil rises up: north, east, south, or west?
