Chapter - 4 Electric Current and Its Effects

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Q
Electric Current and Its Effect

Question:

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 ___________. 

Answer:

(a) Longer line in the symbol for a cell represents its positive terminal.

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

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

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


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