A conducting loop in the shape of a right angled isosceles triangle of height 10 cm is…
Physics · JEE Advanced · NTA Exams — Electromagnetic Induction and Alternating Currents
A conducting loop 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 counterclockwise direction and increased at a constant rate of 10 A s–1. Which of the following statement(s) is(are) true?
- The induced current in the wire is in opposite direction to the current along the hypotenuse.
- The magnitude of induced emf in the wire is
volt. - There is a repulsive force between the wire and the loop.
- If the loop is rotated at a constant angular speed about the wire, an additional emf of volt is induced in the wire.
Answer
(C) There is a repulsive force between the wire and the loop.
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