Electrostatics Intro Review

What has more energy, 1 Joule or 1 eV?

• 1 Joule

• 1 eV

What is the SI unit of charge?

• Watts

• Coulomb

• Joule

• N/C

1 eV is equal to ______ Joules

• 10

• 6.25 x 10^18

• 8.99 x 10^9

• 1.6 x 10^-19

"e" stands for (choose the best answer)

• Electronvolts

• Electrons

• Elementary charge

• Protons

eV stands for

• Electronvolts

• Electrons

• Elementary charge

• Protons

True or False: "e" and "eV" are the same thing

• True

• False

1 elementary charge is equal to _________ Coulomb's

• 6.25 x 10^18

• 8.99 x 10^9

• 1.6 x 10^-19

• 1.6 x 10^19

The relationship between the values 1.6 x 10^-19 and 6.25 x 10^18 is __________. BOTH can be used to convert between e and C.

• Direct

• Inverse

When converting from elementary charges to Coulomb's, if we choose to use 1.6 x 10^-19, we must

• Multiply

• Divide

• Add

• Subtract

When converting from elementary charges to Coulombs, if we choose to use 6.25 x 10^18 we must

• Multiply

• Divide

• Add

• Subtract