1. An electric geyser works on the principle of
effect of electricity
2. The coiled wire of a bulb is called its
produce a small amount of heat.
4. The element of an electric device is made of
5. All the electrical appliances have a built-in safety device called
3. Materials of low
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Q.1 = An electric geyser works on the principle of effect of electricity
Answer = The principle on which the geyser works is simply the conversion of electrical energy into heat through the use of heating elements to raise the temperature of water through conduction of the heat to the water.
Q.2 = The coiled wire of a bulb is called its
produce a small amount of heat.
Answer = This thin wire is called the filament of the bulb. Whenever electric current flows through the filament, it glows. To ensure an optimal production of light, the filament is usually made up of coils of fine wire, or coiled wire.
Q.4 = The element of an electric device is made of ?
Answer = Metal heating elements generally are made from nichrome, which is composed of 80% nickel and 20% chromium. Nichrome 80/20 make great heating elements because the material yields a pretty high resistance.
Q.5 = All the electrical appliances have a built-in safety device called ?
Answer = All the electrical appliances have a built-in safety device called Fuse.
PLEASE RETYPE Q/A NO.3
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