A conducting bar moves on two conducting rails as shown in the fi… | JEE Main 2025 Physics PYQ

NVAEasyJEE Main 2025 · 28 January, Shift 2Faraday's Laws of EMI

A conducting bar moves on two conducting rails as shown in the figure. A constant magnetic field $B$ exists into the page. The bar starts to move from the vertex at time $t = 0$ with a constant velocity. If the induced EMF is $E \propto t^n$ , then the value of $n$ is _____.

Two conducting rails form a symmetric V-shape with a horizontal conducting bar moving upward from the vertex, in a uniform magnetic field directed into the page shown by crosses, and the field is labeled B.

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