Question

Choose the correct statement about the fuse used in an electric circuit is:

 

A) Placed in a series with the device.

B) Placed in parallel with the device.

C) Made of an alloy.

D) Made of pure metal.

1. A and C
2. B and C
3. B and D
4. A and D

Answer 1

Correct Answer - Option 1 : A and C

The Correct answer is A and C.

 

 

FUSE-

• A fuse is a device that is used to stop the excess flow of electric current through a circuit or an electric appliance.
• It consists of a piece of wire made of an alloy of low melting point.
  • For example an alloy of Lead and Tin.
• The fuse is placed in a series with the device.
• If a current larger than a specified value flows through a circuit, the temperature of the fuse wire increases, and the fuse wire melts.
• The fuse wire is usually enclosed in a cartridge of porcelain or similar insulating material.

 

Alloy- 

• The mixture formed by the combination of two or more metals or non-metals is known as Alloy.
• This is a type of Homogeneous mixture.
• Alloys cannot be separated by physical methods.

1. Stainless steel is an alloy of Iron, Carbon, Chromium, and nickel.
2. Brass - 30% zinc + 70% copper
3. Bronze - Copper + Tin
4. Duralumin - Aluminium + Copper +Mangnese + Magnesium
5. Gun Metal - Copper + Tin + Zinc
6. Magnelium - Magnesium + Aluminium