What is point charge?

### Asked by asangita999 | 1st Apr, 2020, 02:44: PM

Expert Answer:

### A point charge is an electric charge. When the linear sizes of charged bodies are much smaller than the distance between them, their sizes may be ignored and the charged bodies are called point charges.

### Answered by Shiwani Sawant | 1st Apr, 2020, 03:01: PM

## Concept Videos

- CALCULATE ELECTIC FEILD INTENSITY DUE TO DATIPOLE OF LENTH 10 CM HAVING CHARGE 5000MICROCOULUMB AT POINT ON AXIS OF LENTH 20 CM FROM ONE OF THE CHARGE
- An electric dipole with dipole moment 4×10-9cm is aligned at 30° with the direction of a uniform electric field of magnitude 5×104N/C. Calculate the magnitude of torque acting on the dipole?
- Two short electic dipoles of moment P and 8P are placed in opposite direction on a line at a distance of 15cm. The electic will be zero at point between the dipoles wose distance from the dipole of moment P is
- Obtain the ratio of Electric field formed by an ideal dipole at points lying on axial and equatorial axis.
- Determine electric field at a point p for two identical dipole placed along x and y axis with dipole moment p and angle 45°
- the electric field at a point on the axial line at a distance of 10cm from the centre of an electric dipole is 3×10³NC·¹ in air while at a diatance of 15cm,the electric field is 2×10³NC·¹ Calculate the length of an electric dipole. 3×10³NC·¹
- An electric dipole moment 4x10^-9 cm is aligned at 30°with the direction of a uniform electric field of magnitude 5x10^4 NC^-1.calculate the magnitude of the torque acting on the dipole?
- Determine electric field at a point p for two identical dipole placed along x and y axis with dipole moment p and angle 45°
- An electric dipole is formed by two particles fixed at the end of a light rod of length L. Mass m and 2m with charge q and - q. The system is placed in such a way that the dipole axis is parallel to a uniform electric field. If the dipole is slightly rotated about its center then show that for small angular displacement it's an shm. And find time period
- What is the direction of dipole

### Kindly Sign up for a personalised experience

- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions

#### Sign Up

#### Verify mobile number

Enter the OTP sent to your number

Change