Symbols of Electronic Components

Name the instrument that measures current flowing in a circuit.

 Electric current has _____ energy. (Choose from: electrical/ chemical/ mechanical)

What is an electric circuit?

What is a thermometer used for? Explain laboratory thermometer and digital thermometer.

Electric bulbs are being used in our houses very commonly. Which are the main parts of an electric bulb? Draw a figure and explain. Explain the functions of each part too.

An electric bulb is used to get light. Explain the working of an electric bulb with a suitable diagram.

When the battery of a vehicle is not used for a long time, it gets discharged due to a phenomenon called _____.

A closed electric circuit provides a continuous path for the current to flow through it. 

An open electric circuit does not provide a path for the current to flow through it.

Which type of electric circuit does not provide a path for the current to flow through it - closed circuit or open circuit?

Which type of electric circuit provides a path for the current to flow through it - closed circuit or open circuit?

Device used to open or closed an electric circuit is 

The above symbol represents a _____ in an electric circuit.

Write the symbols used for switch on and off position.

How many cells are connected in the battery shown below:

Three bulbs A, B, and C are connected in a circuit as shown in the figure.
Which bulb will glow first when the switch will be turned ON?

Observe the following circuit diagram and identify the correct statement.

A _____ is a safety device, used for breaking a circuit.

A _____ is a simple device used to 'close' and 'open' a circuit.

An electric circuit is symbolically represented by a _____ diagram.