jee_main_2026_22_january_morning - Electromagnetic Induction Topics

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QUESTION #29 Motional EMF and Terminal Speed
XPQY is a vertical smooth long loop having a total resistance R where PX is parallel to QY and separation between them is l. A constant magnetic field B perpendicular to the plane of the loop exists in the entire space. A rod CD of length L (L > l) and mass m is made to slide down from rest under the gravity as shown in figure. The terminal speed acquired by the rod is \_\_\_\_ m/s. (g = acceleration due to gravity) {{IMG1}}
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QUESTION #45 Mutual Induction and Lenz's Law
Three identical coils C₁, C₂ and C₃ are closely placed such that they share a common axis. C₂ is exactly midway. C₁ carries current I in anti-clockwise direction while C₃ carries current I in clockwise direction. An induced current flows through C₂ will be in clockwise direction when {{IMG1}}
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QUESTION #50 Energy Density in Inductor
Inductance of a coil with 10⁴ turns is 10 mH and it is connected to a dc source of 10 V with internal resistance of 10~Ω. The energy density in the inductor when the current reaches ( 1e) of its maximum value is α π × 1e² ~J / m³. The value of α is \_\_\_\_. (μ₀ = 4π × 10⁻⁷ Tm / A)
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Rankbit System
JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%) | JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%)

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