POTENTIAL DIFFERENCE AND EMF

Voltage is measured in __.

• volts.
• watts.
• coulombs. 

How must a voltmeter be connected?

• In series

• In parallel

• To a power supply

What is the function of a cell?

• A conductor that connect the components together.

• A method of opening or closing the circuit.

• A source of electromotive force that drives electric charges around the circuit.

• A load in which moving charges can do a useful job.

What is 1 volt equivalent to?

• 1J/C

• 1C/J

• 1A/s

• 1J/V

Define potential difference

• The amount of energy per charge

• The amount of charge per energy

• The amount of charge per second

• The amount of voltage per second

What is this the definition of: the energy per charge (voltage) supplied by a source e.g. battery

• emf

• Potential difference

• Voltage

• Current