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  • A slab of resistance R is inserted between two parallel plates of a capacitor charged to Qo. The capacitor is discharged through the solid. A magnetic field is present throughout and is uniform and

A slab of resistance R is inserted between two parallel plates of a capacitor charged to Qo. The capacitor is discharged through the solid. A magnetic field is present throughout and is uniform and out of the plane of paper. The total momentum given to the slab after complete discharge is (Given capacitance is C and plates are separated by d).

Option: 1

\mathrm{CQ}_0 \mathrm{~B}


Option: 2

\mathrm{dBQ}_0


Option: 3

zero


Option: 4

infinite 


Answers (1)

best_answer

At any moment charge   \mathrm{q, V=\frac{q d}{A E o}}

\mathrm{ i=\frac{d q}{d t}=\frac{q d}{A E o R} \\ }

\mathrm{ m u=\int_0^{Q_0} d B d q }.
 

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Gunjita

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