Add to Chrome
Which three of the following are examples of a series circuit?
A circuit consisting of several socket outlets
A digital voltmeter measuring the voltage across a load
An analogue ammeter measuring the current through a load
A fuse protecting a load
Outdoor garden lighting
A switch controlling a single lamp
Fuel cells produce an electrical current when:
physical pressure is applied to the cell plates
heat is applied to the cell plates
a magnetic field cuts through the cell plates
a chemical reaction occurs inside the cell
An EMF is produced in primary and secondary cells when: