A-Level Physics Revision - Electricity Term 0.5

Charge =

• Current x time

• Current/time

• Time/current

• IQ

What is electric current?

What is charge measured in?

What is the elementary charge on an electron?

What is Kirchhoff's First Law based off?

• The law of conservation of charge

• The law of conservation of momentum

• The law of conservation of energy

• The law of conservation of mass

What is Kirchhoff's Second Law based off?

• The law of conservation of charge

• The law of conservation of momentum

• The law of conservation of energy

• The law of conservation of mass

For any point in an electrical circuit, the sum of currents into that point equals the sum of currents out of that point

• Kirchhoff's First Law

• Kirchhoff's Second Law

The total EMF equals the sum of p.d. drops

• Kirchhoff's First Law

• Kirchhoff's Second Law

The number of free charge carriers per unit volume

The greater the number density...

• The greater the conductivity of the material

• The less conductive the material is