(English Medium) ICSE Class 10 - CISCE Question Bank Solutions

State two advantages of ‘the ring system of house wiring’.

State the colour coding of wires in the flexible lead used for connecting the appliances to the mains in a house circuiting.

Why is that the same current flowing through the bulb heats up the filament, while the leads are not heated up?

A lady working in her kitchen received a shock from an electric hot plate. What could be the reason for the shock?

Why is the filament in an electric bulb coiled?

Why mica is preferred to other insulators in an electric iron?

What will happen if switch is connected in ‘neutral wire’?

Where is a fuse placed in an electrical circuit? Name a material suitable for making a fuse wire.

Two fuse wires of the same lengths are rated 5A and 20A. Which of the two fuse wires is thick and why?

State whether a magnetic field is associated or not around a static charge.

State whether a magnetic field is associated or not around a moving charge.

State under what conditions force acting on a current carrying conductor which is freely suspended in a magnetic field can be maximum.

State under what conditions force acting on a current carrying conductor which is freely suspended in a magnetic field can be Zero.

A mixture of radioactive substances gives off three types of radiation name the radiation which travels with the speed of light.

A mixture of radioactive substance gives off three types of radiation name the radiation similar in nature to X-rays.

A mixture of radioactive substance gives off three types of radiation name the radiation which is not affected by an electric field.

A mixture of radioactive substance gives off three types of radiation name the radiation which has the maximum penetrating power.

A mixture of radioactive substance gives off three types of radiation name the radiation which has the highest speed.

How do infrared and γ-rays differ in wavelength.

How do infrared and γ-rays differ in penetrating power.