Static Electricity

What names are given to the three subatomic particles found in most atoms?

• electron, proton, neutron

• electron, positron, neutron

• positron, proton, neutron

• electron, proton, neutral

What charge does an electron have?

• negative

• positive

• neutral

• zero

What charge does a proton have?

• negative

• positive

• neutral

• zero

Plastic is an example of an electrical ... These materials are described as not having electrons free to move.

What charge does particle Q have?

• Positive

• Negative

• No charge

Answer explanation

Field lines point away from the charge.

What is the unit of current?

• Ampere

• Volt

• Second

• Coulomb

What is the unit of charge?

• Ampere

• Volt

• Second

• Coulomb

A current of 2 A passes through a bulb in 0.5 s. How much charge passes through the bulb in this time?

• 1 C

• 2 C

• 2.5 C

• 4 C