Magnetic Effect of Current
Magnetic Effect of Current: Overview
This topic covers concepts, such as, Magnetic Effect of Electric Current, Magnetic Field Due to a Current-Carrying Conductor, Magnetic Field Due to Current in a Solenoid & Electromagnet etc.
Important Questions on Magnetic Effect of Current
According to Right-hand thumb rule, the thumb indicates the direction of

Magnetic effect of current was discovered by

Magnetic effect of current was discovered by

When electric current is passed through the solenoid, it shows magnetic lines of force similar to a _____.

Choose the correct option for a current carrying solenoid,the strength of magnetic field is_________.

A current-carrying conductor when is placed in a magnetic field, it experiences a _____.

A cylindrical current carrying coil is called a _____.

What is the difference between a current carrying solenoid and a bar magnet?

For a current in a long straight solenoid N-pole and S-pole are created at the two ends. Among the following statements, the incorrect statement is

Two current-carrying solenoids exhibit:

Four metal rods are placed, in turn, inside a coil of copper wire.
The table below gives the results of the experiment. Which rod would be the most suitable to use for the case of a coil in a circuit breaker?
Meta rod | Number of paper clips picket up when there is current in the coil | Number of paper clips still attracted when the current is switched off |
(a) | ||
(b) | ||
(c) | ||
(d) |

The material of the core of a strong electromagnet is:

Mark the polarities of an electromagnet in the figure.

Why is steel preferred as the core of an electromagnet over soft iron?

Who among the following discovered that electricity and magnetism are related phenomena?

Let us take a straight conductor in which the electric current is directed towards the south as seen from the north. The magnetic field for such a current orientation is anti-clockwise.

In Maxwell's right hand thumb rule, the thumb points in the direction of-

Oersted was the first person to discover the ______ effect of electric current.

If we insert a steel rod inside the coil of an electromagnet,
