A conducting loop which is in the shape of a right-angled isosceles triangle of height 10 cm is kept such that the 90 ° vertex is very close to an infinitely long conducting wire (see the figure). The wire is electrically insulated from the

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A conducting loop which is in the shape of a right-angled isosceles triangle of height 10 cm is kept such that the 90 ° vertex is very close to an infinitely long conducting wire (see the figure). The wire is electrically insulated from the loop. The hypotenuse of the triangle is parallel to the wire. The current in the triangular loop is in a counterclockwise direction and increased at a constant rate of 10 A s - 1

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Correct answer: D. &#x3BC; 0 &#x3C0;

by direction of induced electric field, current in wire is in same direction of current along the hypotenuse. Flux through triangle if wire have current i = ∫ 0 0.1 μ 0 i 2 π x 2 x d x = μ 0 i 10 π ⇒ Mutual inductance = μ 0 10 π Induced emf in wire = μ 0 10 π d i d t = μ 0 10 π × 10 = μ 0 π

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