Advertisements
Advertisements
Question
Why mica is preferred to other insulators in an electric iron?
Advertisements
Solution
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.
RELATED QUESTIONS
Name the color code of the wire which is connected to the metallic body of an appliance.
Overloading of electric current in circuits can lead to short-circuiting.
A switch is connected to the .......... wire.
Which fuse wire is thick: 5 A or 15 A?
State the colour coding of the three wires in a cable used for
A power circuit uses a cable having three different wires. Name the three wires of the cable.
Name the colour code of the wire which is connected to metallic body of an appliance.
Why is the heating coil placed in a circular porcelain plate in an electric stove?
A lady working in her kitchen received a shock from an electric hot plate. What could be the reason for the shock?
Which one of the following statements is correct?
