Symbols of Electronic Components
Symbols of Electronic Components: Overview
This topic covers concepts, such as, Electric Circuit, Electric Current, Resistance & Current Flow through Wire etc.
Important Questions on 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 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.

A _____ is device which is used to make and break an electric circuit.

In an electric cell, which form of energy is converted into electrical energy?

Name a safety device that works on the heating effect of current and melts to break a circuit during overloading.

The filament of an electric bulb is made of tungsten.

The current given by a battery is _____ current.

The current given by a battery is _____ (direct/ alternating) current.

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 names of three domestic devices. How are these connected with mains?

is a symbol of
