PHY113-2 (Electric Forces and Electric Fields)

The electrical nature of matter is inherent in atomic structure

• True

• False

Mass of proton

• 1.673 x 10^-27 kg

• 1.675 x 10^-27 kg

• 9.11 x 10^-31 kg

• 1.60 x 10^-19 Coulombs

Mass of neutron

• 1.673 x 10^-27 kg

• 1.675 x 10^-27 kg

• 9.11 x 10^-31 kg

• 1.60 x 10^-19 Coulombs

Mass of electron

• 1.673 x 10^-27 kg

• 1.675 x 10^-27 kg

• 9.11 x 10^-31 kg

• 1.60 x 10^-19 Coulombs

Electron Charhge

• 1.673 x 10^-27 kg

• 1.675 x 10^-27 kg

• 9.11 x 10^-31 kg

• 1.60 x 10^-19 Coulombs

In nature, atoms are normally found with equal numbers of - and -, so they are -

• protons, electrons ; equal

• protons, neutrons ; equal

• electrons, neutrons ; unalike

• protons, electrons ; unalike

• Q is a charge

• e is charge on one electron

• N is the number of electrons.

• N is the number of neutrons.

• e is number of electron

Is it possible to transfer electric charge from one object to another?

• Yes. The body that loses electrons has an excess of positive charge, while the body that gains electrons has an excess of negative charge.

• No. The body that loses electrons has an excess of positive charge, while the body that gains electrons has an excess of negative charge.

• Yes. The body that loses electrons has an excess of negative charge, while the body that gains electrons has an excess of positive charge.

• No. The body that loses electrons has an excess of negative charge, while the body that gains electrons has an excess of positive charge.

During any process, the net electric charge of an isolated system remains constant (is conserved).

• Law of Conservation of Electric Charge

• Conductors

• Insulators

• Electricity

Energy can neither be created nor destroyed - only converted from one form of energy to another.

• Law of Conservation of Electric Charge

• Conductors

• Insulators

• Electricity