Forces on Charged Particles and AC

atoms

All materials are made of...

negative

The charge on an electron is...

positive

The charge on a proton is...

no charge

Neutrons have...

repel

Like charges...

attract

Different charges...

rubbing

An insulator can become charged by...

coulomb meter

Charge can be detected using a...

electric field

An area of space where a charged particle experiences a force is known as an...

strength and direction of an electric field.

Lines of force are used to show the...

stronger

The closer the field lines the ________ the force.

positive

Field lines start on a __________ charge.

negative

Field lines end on a ________ charge.

individual point forces

attractive point sources

charged parallel plates

current

The flow of charge per second.

amperes

Current is measured in...

ammeter

Current is measured using an...

Q = It

The relationship that links current, charge and time is...

10 A

An electric charge of 1200 C flows
through an electric heater in 2
minutes. Calculate the current in
the heater?

Direct current

This type of current flows in one direction only.

Alternating current

This type of current changes direction a number of times each second.

greater than

The peak voltage of an ac supply is always _______ ______ the quoted voltage.

50 Hz

Mains frequency is...

230 V

Mains voltage is...