Advertisements
Advertisements
प्रश्न
Why mica is preferred to other insulators in an electric iron?
Advertisements
उत्तर
Mica is preferred to other insulators in an electric iron because mica is a bad conductor of electricity, but it easily conducts away heat. So when current flows through nichrome wire, the heating element is fully protected against any leakage of electric current, whereas heat is easily conducted.
संबंधित प्रश्न
Write true or false
Overloading of electric current in circuits can lead to short circuiting.
A fuse is connected to the live wire.
Fuse wire is an alloy of
A fuse wire should have
When the switch of an electric appliance is put off, it disconnects
What do you mean by short-circuiting of a circuit?
What is meant by a ring circuit in house wiring?
Out of the wires- live, neutral and earthing, on which line will you connect the fuse and the switch. Give reason for your answer.
What will happen if switch is connected in ‘neutral wire’?
Two fuse wires of the same lengths are rated 5A and 20A. Which of the two fuse wires is thick and why?
