MHT CET 2025 19th April Morning Shift | Electromagnetic Induction Question 36 | Physics

When three inductors of same inductance ' $L$ ' are connected in series and ' I ' is the current passing through the circuit. The energy stored in the circuit is

$\frac{1}{2} \mathrm{LI}^2$

$\frac{3}{2} \mathrm{LI}^2$

$\frac{5}{2} \mathrm{LI}^2$

$\frac{7}{2} \mathrm{LI}^2$

MHT CET 2025 19th April Morning Shift

MCQ (Single Correct Answer)

-0

The self-inductance of a circuit is numerically equal to

the work done in establishing the magnetic flux associated with circuit.

twice the work done in establishing the magnetic flux associated with unit current in the circuit.

thrice the work done in establishing the magnetic flux associated with unit current in the circuit.

the work done in establishing the magnetic flux associated with unit current in the circuit.

MHT CET 2025 19th April Morning Shift

MCQ (Single Correct Answer)

-0

Two conducting circular loops of radii $R_1$ and $\mathrm{R}_2$ are placed in the same plane with their centres coinciding. If $R_1>R_2$, the mutual inductance M between them will be directly proportional to

$\frac{\mathrm{R}_1}{\mathrm{R}_2}$

$\frac{R_2}{R_1}$

$\frac{\mathrm{R}_1^2}{\mathrm{R}_2}$

$\frac{R_2^2}{R_1}$

MHT CET 2024 16th May Evening Shift

MCQ (Single Correct Answer)

-0

A circular coil of resistance ' $R$ ', area ' $A$ ', number of turns ' N ' is rotated about its vertical diameter with angular speed ' $\omega$ ' in a uniform magnetic field of magnitude ' $B$ '. The average power dissipated in a complete cycle is

$\frac{\mathrm{N}^2 \mathrm{~A}^2 \mathrm{~B}^2 \omega^2}{2 \mathrm{R}}$

$\frac{\mathrm{BNA} \omega}{\mathrm{R}}$

$\frac{\mathrm{BNA} \omega}{2 \mathrm{R}}$

$\frac{N^2 A^2 B^2 \omega^2}{R}$

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