﻿ In an electric dipole, what is the locus of a point of zero pote

## Pre Boards

Practice to excel and get familiar with the paper pattern and the type of questions. Check you answers with answer keys provided.

## Sample Papers

Download the PDF Sample Papers Free for off line practice and view the Solutions online.

## ISC Class 12 Physics Solved Question Paper 2010

#### Multiple Choice Questions

1. Electric field intensity ‘E’ at a point P (Figure 1) at a perpendicular distance ‘r’ from an infinitely long line charge X’X having linear charge density X is given by:

1012 Views

2. A moving coil galvanometer can be converted into a voltmeter by connecting:
• A low resistance in series with its coil.
• A low resistance in parallel with its coil.
• A high resistance in parallel with its coil.
• A high resistance in parallel with its coil.
442 Views

3. The loss of power in a transformer can be reduced by:
• Increasing the number of turns in primary
• Increasing ac voltage applied to primary.
• Using a solid core made of steel.
• Using a solid core made of steel.
362 Views

4. Which equation represents the emission of a beta particle by a radioactive nucleus:
197 Views

5. An important component of Michelson’s method to determine speed of light is:
• A NICOL prism
• A bi prism
• A grating
• A grating
674 Views

# 6.In an electric dipole, what is the locus of a point of zero potential?

The locus of the point of zero potential of an electric dipole is straight line drawn at the middle of the electric dipole.
1191 Views

7.

What is the resistance of a carbon resistor whose coloured bands are shown below in figure below:

203 Views

8. A part of an electric circuit is shown below figure below:

Using Kirchhoffs 2nd Law, find the current I flowing through the 4 Ω resistor.
348 Views

9. Figure below shows a graph of emf‘e’ generated by an ac generator versus time ‘t’:

What is the frequency of the emf?
204 Views

10. Arrange the three types of magnetic materials, i.e., paramagnetic, diamagnetic and ferromagnetic materials, in decreasing order of their magnetic susceptibility.
790 Views