ICSE ICSE Class 7 - CISCE Question Bank Solutions

Select the correct alternative

Electricity can flow through

Select the correct alternative

Electricity does not flow through

What is a battery?

You are provided with a torch bulb, a cell and two plastic coated f metal wires. Draw a diagram to show a complete circuit to light the bulb.

In which of the following case the bulb will glow :

The diagram given below shows a bulb connected with a cell having terminals A and B. Mark the direction of current in the bulb.

State the function of each of the following in an electric circuit and draw its symbolic representation: (1) Switch and (2) Cell.

Draw a circuit diagram for a bulb connected to a cell with a switch. Mark arrow in the diagram to indicate the direction of flow of current.

Write true or false for a given statement.

A torch bulb glows if the terminals of the bulb are connected to the terminals of a cell by the metallic wire

For a circuit to be complete, every part of it must be made up of conductors.

Write true or false for a given statement.

A switch is an on-off device in an electric circuit.

What is an electric circuit ?

Describe an experiment to show that electricity flows only if the circuit is complete and it does not flow if the circuit is incomplete.

In which arrangement are the appliances connected in the electric circuit of our homes, Series or Parallel ? Give one reason for your answer.

Write true or false for a given statement.

We use cell as the source of electricity to run an electric immersion rod.

Fill in the blank 

In a torch we use ______ as the source of electricity.

Select the correct alternative

In a torch, the source of electricity is

Name two sources of electricity.

State two precautions that you must take when switching on an electric circuit.

Fill in the blank

A group of two or more cells is called a ________.