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Heating Effects of Electric Current

c When curren...

Question

Question 8 (c)
When current is switched ‘on’ in a room heater, it ___.

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Solution

When current is switched ‘on’ in a room heater, due to the heating effect of electric current, the coil inside the heater heats up and warms up the room.

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Q. Fill in the blanks
(a) Longer line in the symbols of an electric cell represents its _______terminal
(b) The combination of two or more cells is called a _____
(c) When current is switched 'ON' in a room heater, it ________
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Q. Fill in the blanks:

(a) Longer line in the symbol for a cell represents its ______ terminal.
(b) The combination of two or more cells is called as ______.
(c) When current is switched 'on' in a room heater, it ______.
(d) The safety device based on the heating effect of electric current is called a ________.

Fill in the blanks:

(a) Longer line in the symbol for a cell represents its_________terminal.

(b) The combination of two or more cells is called a _________.

(c) When current is switched ‘on’ in a room heater, it __________.

(d) The safety device based on the heating effect of electric current is called a _________.

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Heating Effects of Electric Current

Standard VII Physics

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