Electrostatic Potential and Capacitance questions
621 published questions with worked solutions.
- Twenty seven drops of same size are charged at 220 V each. They combine to form a bigger drop. Calculate the potential of the...
- A bulb and a capacitor are connected in series across an ac supply. A dielectric is then placed between the plates of the...
- At the centre of a half ring of radius R = 10 cm and linear charge density 4n C m⁻¹, the potential is x π V. The value of x is...
- Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Work...
- Two charges of –4 μC and + 4 μC are placed at the point A(1, 0, 4) m and B(2, –1, 5) m located in an electric field E = 0.20 , i...
- The electric potential at the surface of an atomic nucleus (z = 50) of radius 9 × 10⁻¹³ cm is ____ × 10⁶ V.
- An electric charge 10^ -6 C is placed at origin (0, 0) m of X – Y co-ordinate system. Two points P and Q are situated at ( 3, 3)...
- A 16 Ω wire is bend to form a square loop. A 9 V battery with internal resistance 1 Ω is connected across one of its sides. If a...
- The electrostatic potential due to an electric dipole at a distance 'r' varies as :
- A capacitor of capacitance C and potential V has energy E. It is connected to another capacitor of capacitance 2C and potential...
- A parallel plate capacitor with plate separation 5 mm is charged up by a battery. It is found that on introducing a dielectric...
- A capacitor is connected to a 20 V battery through a resistance of 10 . It is found that the potential difference across the...
- For changing the capacitance of a given parallel plate capacitor, a dielectric material of dielectric constant K is used, which...
- A Parallel plate capacitor whose capacitance C is 14 pF is charged by a battery to a potential difference V = 12V between its...
- A parallel plate capacitor has plate area 100 m^2 and plate separation of 10 m. The space between the plates is filled up to a...
- 512 identical drops of mercury are charged to a potential of 2V each. The drops are joined to form a single drop. The potential...
- If q_f is the bound charge on the capacitor plates and q_b is the bound charge on the dielectric slab of dielectric constant k...
- A parallel plate capacitor with plate area 'A' and distance of separation 'd' is filled with a dielectric. What is the capacity...
- 27 similar drops of mercury are maintained at 10 V each. All these spherical drops combine into a single big drop. The potential...
- Consider the combination of 2 capacitors C_1 and C_2, with C_2>C_1, when connected in parallel, the equivalent capacitance is 15...
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