Recently Active Electricity And Magnetism Questions

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Can we apply eq. of continuity in this????.. ...

Two metal pieces having a potential difference of 800 V are 0.02 m apart horizontally. A particle of mass 1.96 X 10-15 kg is suspended in equilibrium between the plates. If e is the elementary charge, then charge on the parti ...

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Calculate the potential difference between points A and B in the circuit shown. Under what condition is it equal to zero. *Image* ...

Please post the method and explanations as well :) ...

Four identical this metallic plates are kept closely as shown in the figure with respective charge on it. Plates 2 and 3 are connected by a conducting wire. Find the final charge distribution. *Image* ...

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A capacitor of capacitance Ct = 1.0 F withstands the maximum voltage Va----6.0 kV while a capacitor of capacitance C2 = 2.0 F, the maximum voltage V----4.0 kV. What voltage will the system of these two capacitors withstand ...

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A particle of charge q and mass m is moving in a circular orbit of radius r with angular speed ω. Another particle of charge 2q and mass 2m is moving in a circular orbit of radius 2r with the same angular speed ω. Let μ1 a ...

When an uncharged CONDUCTING ball of radius R is placed in a uniform electric field, surface charge density σ=σ°cosθ is induced on ball's surface where σ° is a constant What is the magnitude of resultant ELECTRIC FORCE ...

AB and CD are the plates of a parallel plate capacitor, having 2 dielectrics inserted between them as shown, of constants K1 and K2. Separation between the plates is d and edge length a. Find the capacitance *Image* ...

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27 charged water droplets each with a diameter of 2 mm and a charge of 10-12 C coalesce to form a single drop. We have to calculate the potential of the bigger drop. How do I proceed? The answer is 81V. ...

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There is a circular wire loop carrying current i, of radius a. It is placed in a perpendicular magnetic field B. What is the force of compression in the wire? ...