Electrostatic Potential and Capacitance questions
621 published questions with worked solutions.
- Two electric dipoles of dipole moments 1.2 10^ -30 C-m and 2.4 10^ -30 C-m are placed in two different uniform electric fields of...
- Two identical thin metal plates has charge q_ 1 and q_ 2 respectively such that q_ 1 > q_ 2 . The plates were brought close to...
- Given below are two statements. Statement I : Electric potential is constant within and at the surface of each conductor....
- If the potential barrier across a p-n junction is 0.6 V. Then the electric field intensity, in the depletion region having the...
- A capacitor is discharging through a resistor R. Consider in time t_ 1 , the energy stored in the capacitor reduces to half of...
- If the electric potential at any point (x, y, z)m in space is given by V = 3x^ 2 volt. The electric field at the point (1, 0, 3)m...
- A parallel plate capacitor filled with a medium of dielectric constant 10, is connected across a battery and is charged. The...
- A positive point charge of 10^ -8 C is kept at a distance of 20 cm from the center of a neutral conducting sphere of radius 10...
- A parallel plate capacitor with plate area A and plate separation d is filled with a dielectric material of dielectric constant K...
- Electric potential at a point 'P' due to a point charge of 5 10^ -9 C is 50 V. The distance of 'P' from the point charge is :...
- A 600 pF capacitor is charged by 200 V supply. It is then disconnected from the supply and connected to another uncharged 600 pF...
- An electric dipole of dipole moment is 6.0 10^ -6 Cm placed in a uniform electric field of 1.5 10^3N C^ -1 in such a way that...
- In a metallic conductor, under the effect of applied electric field, the free electrons of the conductor
- 64 identical drops each charged upto potential of 10mV are combined to form a bigger drop. Thepotential of the bigger drop will...
- Two charges of each magnitude 0.01 C and separated by a distance of 0.4 mm constitute an electric dipole. If the dipole is placed...
- The electric field due to a short electric dipole at a large distance (r) from center of dipole on the equatorial plane varies...
- A parallel plate capacitor with air between the plate has a capacitance of 15 pF. The separation between the plate becomes twice...
- A capacitor has capacitance 5 when it's parallel plates are separated by air medium of thickness d. A slab of material of...
- A point charge 2 10^ -2 C is moved from P to S in a uniform electric field of 30 NC^ -1 directed along positive x-axis. If...
- For a charged spherical ball, electrostatic potential inside the ball varies with r as V = 2ar^2+b. Here a and b are constant and...
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