Assertion: When an electric current is passed through a moving coil galvanometer, its coil gets deflected. Reason: A circular coil produces a uniform magnetic field around itself when an electric current is passed through it.

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Assertion-ReasonMagnetic Field Due to Current-Carrying Circular LoopMoving Coil Galvanometer and Its Working Principle

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Two coplanar and concentric circular loops L₁ and L₂ are placed coaxially with their centres coinciding. The radii of L₁ and L₂ are 1 cm and 100 cm respectively. Calculate the mutual inductance of the loops. (Take π² = 10)

TextMagnetic Field Due to Current-Carrying Circular LoopMutual Inductance Between Two Coils

A circular loop A of radius R carries a current I. Another circular loop B of radius r (= R/20) is placed concentrically in the plane of A. The magnetic flux linked with loop B is proportional to

MCQ (Single)