Question
What is the working principle of an electric heater? On which factors does the amount of heat produced depends? [3 MARKS]
Answer:
:
Working Principle: 1.5 Marks
Factors: 1.5 Marks
Electric heater works on the principle of the heating effect of electric current. When an electric current is passed through the coil of the heater, it becomes hot. The coil ofwire is called an element.
The factors on which the amount of heat produceddepends on are:
1) the material of the coil
2) the length and thickness of the wire
3) the amount of current passing through the wire
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:
Working Principle: 1.5 Marks
Factors: 1.5 Marks
Electric heater works on the principle of the heating effect of electric current. When an electric current is passed through the coil of the heater, it becomes hot. The coil ofwire is called an element.
The factors on which the amount of heat produceddepends on are:
1) the material of the coil
2) the length and thickness of the wire
3) the amount of current passing through the wire
Was this answer helpful ?
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