Recent questions tagged #mcq

0 votes

0 answers

The potential of a large liquid drop when eight liquid drops are combined is `20V` , then the potential of each single drop

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

The potential of an electric dipole varies with distance `r`

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

The potential in the equatorial plane of a dipole having dipole moment `p`

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

Two equal and opposite charges `[+q and —q)` are situated at a distance `x` from each other. The value of potential at very far point will depend

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

A ,B and C are three points in a uniform electric field, the electric potential

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

The electrostatic potential energy between proton and electron separated by a distance of `1 A^o`

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

The electric potential of earth is taken to be zero, because earth is a

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

Suppose a system of two charges as shown below placed in an external electric field`E =A(1/r^2)`, where `A=9 xx 10^5 C'/'m^2`What would be the electrostatic energy of the

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

An electric field of 1000 V/m is applied to an electric dipole at angle of 45°. The value of electric dipole moment is `10^(-29) C-m`. What is the potential energy of the electric

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

If a conductor has a potential `V!=0` and there are no charges anywhere else outside,

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

The graph shows the variation of voltage `V` across the plates of two capacitors `A and B` versus increase of charge `Q` stored in them. Which of the capacitors has higher capacitance

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

Two plates of capacitors are at potentials `-10 V and +30 V`. If the separation between the plates be 2m, the electric field between them

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

The electric potential difference between two parallel plates is `2000 V`. If the plates are separated by `2 mm`, then what is the magnitude of electrostatic force on a charge of `4 xx 10^(-6)C` located mid-way between the

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

A parallel plate capacitor has circular plates of radius 8 cm and plate separation 1 mm. The charge on the plates, if potential difference of `100 V` applied

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

An air capacitor is charged with an amount of charge `q` and dipped into an oil tank. If the oil is pumped out, the electric field between the plates of capacitor

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

A parallel plate air capacitor has a capacitance `18 muF`. If the distance between the plates is tripled and a dielectric medium is introduced, the capacitance becomes `72 muF`. The dielectric constant of the medium

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

Three capacitors each of capacitance C and of breakdown voltage `V` are joined in series. The capacitance of the combination will

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

Three capacitors `3muF,6muF and 6 muF` are connected in series to a source of `120 V`. The potential difference (in volt) across the `3muF` capacitor will

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

Capacitance between points A and B

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

In the Figure shown, the effective capacitance between the points A and B, if each has capacitance C,

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

Recent questions tagged #mcq

Categories