JEE Main 2022 — Physics Electromagnetism
The equation of current in a purely inductive circuit is 5sin(49πt−30∘). If the inductance is 30mH then the equation for the voltage across the inductor, will be
Held on 28 Jul 2022 · Verified 6 Jul 2026.
1.47sin(49πt−30∘)
1.47sin(49πt+60∘)
23.1sin(49πt−30∘)
23.1sin(49πt+60∘)
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A magnetic field vector in an electromagnetic wave is represented by $\vec{B}=B_0\sin\left(2\pi vt-\dfrac{2\pi x}{\lambda}\right)\hat{j}$. Its associated electric field vector is ______.
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Work through every JEE Main Electromagnetism PYQ, year by year.