What are the units for resistance?

What are the units for current?

What is the definition of resistance?

What is the equation for energy (J) in a circuit?

What is the equation for potential difference in a circuit?

What is the definition of a 'total voltage'?

What does an ammeter do?

What does a voltmeter do?

What does covalent bonding happen between?

What do most ionicly bonded materials have in common?

What are most covalently bonded materials not able to do?

What does 'HDPE' stand for?

What does 'LDPE' stand for?

What type of atmosphere are LDPEs made in?

What catalyst is used to align the ethene molecules as they join in HDPE?

What is a polymer made up of?