Electric Circuit, Its Components and Symbols
Electric Circuit, Its Components and Symbols: Overview
This topic explains concepts such as, Electric Circuit, Circuit Diagram of Electric Circuit, Symbols Used in Electric Circuit, etc.
Important Questions on Electric Circuit, Its Components and Symbols
What are electric switches?

Define an electric circuit. Draw a simple circuit.

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

Draw a circuit diagram with a cell, a bulb and a switch in the 'OFF' position.

Draw a circuit diagram with a cell, bulb and a switch in 'ON' position.

Consider the circuit below. The bulb will light up if

The effective resistance between P and Q in the given circuit is

In the circuit shown below, the ammeter A reads 5A and the voltmeter V reads 20V. The correct value of resistance R is

Sofia and Zara have made a circuit to test whether different objects are electrical conductors or electrical insulators. How can they test that their circuit works? The objects tested are coin, chopstick, glass and plastic spoon.

What is the full form of MCB?

An arrangement in which a bulb and a cell connected to a switch is an example of circuit.

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

is a symbol of

If the electric current flows from one terminal of the cell through a wire and bulb to the other terminal of the cell, then this loop is called a_____ .

The inventor of the bulb was:

When the circuit is open the current will

In an open circuit, the electric current passes through an unbroken path.

An electric circuit is the bulb through which electric current flows.

The path through which an electric current flow is called

What is an electric circuit? What are the things required to make an electric circuit?
