1.
A magnet of length 10cm10\,\text{cm} and magnetic moment 1Am21\,\text{A\,m}^2 is placed along side ABAB of an equilateral triangle ABCABC. If the length of the side ABAB is 10cm10\,\text{cm}. The magnetic induction at the point CC is (μ0=4π×107Hm1\mu_0 = 4\pi \times 10^{-7}\,\text{H\,m}^{-1})