A coil of area A and N turns is rotating with angular velocity ω in a uniform magnetic field B about an axis perpendicular to B. Magnetic flux and induced emf ε across it, at an instant when B is parallel to the plane of coil, are:

Electromagnetic Induction and Alternating Currents: JEE Main 2025 Physics question

JEE Main 2025 · 29 Jan, Morning shift · Q44

JEE Main 202529 Jan, Morning shiftPhysicsMediumElectromagnetic Induction and Alternating Currents149× since 2002

A coil of area

A

and

N

turns is rotating with angular velocity

\omega

in a uniform magnetic field

\vec{B}

about an axis perpendicular to

\vec{B}

. Magnetic flux

\varphi

and induced emf

\varepsilon

across it, at an instant when

\vec{B}

is parallel to the plane of coil, are :

JEE Main 2025 Electromagnetic Induction and Alternating Currents Question with Solution (29 Jan Morning shift, Q44) | JEE Arc