Electrostatic Potential and Capacitance questions
621 published questions with worked solutions.
- Two parallel plate air capacitors are connected in parallel. Each capacitor has plate area A/2 and separation between the plates...
- Capacitors of capacities c_1and c_2 are connected in series. If the combination is connected to a supply of V volt then the...
- The function of a dielectric in a capacitor is to
- If a unit positive charge is shifted from a region of low potential to a region of high potential, then the electric potential...
- A capacitor has capacity C when its parallel plates are separated by air medium of thickness 'd'. A slab of material of...
- An electric dipole of length 0.5 μm is placed with its axis making an angle of 30^0 with uniform electric field 10^4 V/m. If it...
- Two condensers of capacities, '2C' and 'C' are joined in parallel and charged upto potential 'V'. The battery is then...
- Two point charges q_1 = 6 , and q_2 = 4 , are kept at points A and B in air where distance AB = 10 cm. What is the increase in...
- 'n' small drops of same size are charged to 'V' volt each. If they coalesce to form a single large drop, then its potential will...
- Two identical capacitors A and B are connected in series to a battery of E.M.F., 'E'. Capacitor B contains a slab of dielectric...
- When the dielectric is placed in an external electric field, the electric field inside the dielectric is
- A series combination of n_1 capacitors each value C_1 is charged by a source of potential difference 6V. Another parallel...
- Three point charges +q, +2q and +Q are placed at the vertices of an equilateral triangle. If the potential energy of the system...
- Two indentical metal plates are given charges q_1 and q_2 (q_2< q_1) respectively. They are brought close together to form a...
- An electric dipole of length 3cm is placed with its axis making an angle of 60^0 with a uniform electric field of 5 x 10^4 N/C....
- Two capacitors, C_1 and C_2 have their capacitances in the ratio 1:2. V_s and V_p are the potential differences applied across...
- A capacitor of capacitance C has charge Q and energy stored in it is W. If the charge is increased to 3Q the energy stored in the...
- When a dipole placed parallel to electric field is rotating through ^ c , the work done is W. The work done in rotating the...
- Two parallel plate air capacitors of same capacity 'C' are connected in parallel to a battery of e.m.f. 'E'. Then one of the...
- The electric potential 'V' is given as a function of distance 'x' (metre) by V=(4x^2+8x-3) V. The value of electric field at...
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