(English Medium) ICSE Class 9 - CISCE Question Bank Solutions

What do you understand by the open electric circuit?

Draw a neat diagram showing a closed electric circuit.

Draw a neat diagram showing a open electric circuit.

Select the correct option:

A bar magnet is rubbed on a bar of steel along its length 20 times. The bar of steel gets magnetised due to the process of:

Select the correct option:

The magnetic strength of a bar magnet is:

Select the correct option:

Nickel is a:

What do you meant by the term pole of a magnet? Magnetically speaking, what is the difference between a piece of brass, a piece of soft iron, and a piece of lode- stone?

Define the Isogonic line.

Define the agonic line.

Define the isoclinic line.

How do you account for the following fact?

Soft iron keepers help to prevent the magnets from losing their magnetic properties.

State briefly the molecular theory of magnetism.

State briefly the modern views on magnetism.

Repulsion is a surer test of magnetic condition of a body than attraction. Explain.

Describe two methods of determining the arrangement of the lines of force in the field close to a bar magnet. Give a brief explanation of each method.

Draw diagram showing the arrangement of the lines of force for a single magnet.

Draw diagram showing the arrangement of the lines of force for two magnets in line, with unlike poles facing one another.

Draw diagram showing the arrangement of the lines of force for a piece of soft iron laid in line with the magnetic field.

State any two properties of a magnet.

Define Distance.