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Worksheetschapter 12 Electricity and Circuits
Total questions: 15
Worksheet time: 8mins
A bulb has two terminals.
True
False
An electrical cell has two terminals, a positive and a ……………
(a)
Cell is a device which
converts chemical energy into electrical energy
electrical energy into light energy
electrical energy into magnetic energy
None of these
An electric cell converts chemical energy into electrical energy.
True
False
Materials through which current can pass are called ………………….
(a)
A bulb has
two terminals and one filament
two terminals and two filaments
multiple terminals and single filament
single terminal and single filament
Rubber and wood are good conductors of electricity.
True
False
Materials through which current cannot pass are called …………………….
(a)
Filament of a bulb is made up of
aluminum
chromium
platinum
tungsten
A switch is made of an insulator.
True
False
Our body is a …………………. conductor of electricity.
(a)
Bulb glows only in
closed circuit
open circuit
in both circuits
open circuit if bulb is not fused
Current flows from positive terminal of cell to its negative terminal.
True
False
When a switch is off, the circuit becomes ………………..
(a)
A battery is
a single cell
a combination of cells in which cells are joined (+) to (-)
a combination of cells in which cells are joined (+) to (+)
None of these
