Question

B. Fill in the blanks.
1. A depiction of an electric circuit using
symbols is called a diagram.
2. Current can flow in a circuit only when it is
3.
If the positive and negative wires in an
electric circuit touch accidentally a
circuit can result.
The filament of an electric bulb is made
of a metal which has melting
point.​

Answer 1

Answer:

1) electrical schematic diagram

2) complete

3) overloading

4) high

Answer 2

The statements with correct words are as follows-

1. A depiction of an electric circuit using

symbols are called a circuit diagram.

The symbols involve components of the circuit like a switch, source of light, the pathway of current etc.

2. Current can flow in a circuit only when it is closed.

The open circuit does not connect and hence the path for the flow of current does not form.

3. If the positive and negative wires in an electric circuit touch accidentally a circuit can result in a short circuit.

This results in the excessive flow of current resulting in a short circuit.

4. The filament of an electric bulb is made

of a metal which has a high melting point.

The high melting point is a factor to consider as this increases the life of the electrical component. The high amount of current will not damage the filament, due to excessive heat.

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