Question
(a) Why does electric current show heating effect?
(b) Name two appliances that work because of the heating effect of electric current?
[3 MARKS]
(b) Name two appliances that work because of the heating effect of electric current?
[3 MARKS]
Answer:
:
Part (a): 2Marks
Part (b): 1 Marks
(a)
1. When an electric current is passed through the conductor, electrons collide with nearby electrons more frequently, which produce heating effect.
3. The increase in kineticenergy of atoms give rises to heat energy, which gives heating effect when current passes through the conductor.
(b) Toaster and electric geyser
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:
Part (a): 2Marks
Part (b): 1 Marks
(a)
1. When an electric current is passed through the conductor, electrons collide with nearby electrons more frequently, which produce heating effect.
3. The increase in kineticenergy of atoms give rises to heat energy, which gives heating effect when current passes through the conductor.
(b) Toaster and electric geyser
Was this answer helpful ?
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