Question

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

Answer 1

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 a 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.