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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 .



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 .


Grade:10

1 Answers

Shane Macguire
30 Points
9 years ago

(a) Longer line in the symbol for cell representsits__positive__terminal.

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

To make a battery, the negative terminal of one cell is connected to the positive terminal of the next cell and so on.

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

Working of a room heater is based on the phenomenon of heating effect of electric current.

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

Fuse is a safety device, which limits current in circuit and breaks the circuit if the current exceeds its maximum limit.

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