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WorksheetsElectricity and its effects
Total questions: 10
Worksheet time: 5mins
A device used to measure the amount of electric current flowing through a circuit.
Ammeter
Voltmeter
Resistor
Battery
A combination of two or more cells is called
A button cell
A battery
An electric cell
Truck battery
Current flows through the circuit when the circuit is in the _________________condition.
Broken
Open
Closed
Incomplete
A glowing filament will be
At a low temperature
At a high temperature
At atmospheric temperature
At the temperature of ice
A wire which melts and breaks the circuit when large current flows through it is called ______________.
A fuse wire
Electric wire
Connecting wire
Filament
The magnetic field around a current carrying coil
Lasts for three hours
Lasts as long as current flows through it
Lasts till its half-life period
Is permanent
Which of the following is not a circuit element?
Battery
Voltmeter
Potential difference
Resistor
A fuse wire is made up of alloy
Nichrome
Tin-lead
Manganin
Constantan
Copper wires are used as connecting wires because
Copper has very high melting point
Copper wires are very thick wires
Copper wires offer a lower resistance
None of these
The device used to make or break an electric circuit is
Resistor
Battery
Switch
Ammeter
