| A | B |
|---|
| Define the term Electrostatics | Electricity at Rest |
| Define the term Charge | The behavior of attraction and repeling of electrons |
| The charge of electrons is | - negative |
| charge of protons | + positive |
| What is the charge of an atom, if it has more electrons then protons | - negative |
| What is the charge of an atom if it has more protons then electrons | + positive |
| Like charges | Repell |
| Opposite charges | attract |
| What is the SI unit | Coulonb |
| What is a conductor? | A material that alows the charges to go through it |
| What is an insulator? | A material that does not allow electricity to go through it easily |
| Define the term semiconductor? | A material that acts as a conductor sometimes and insulator at other times |
| What is charge by induction? | The rearangement of charges in an object when a charge is near |
| If you scuff electrons onto your feet while walking across a rug, are you negatively or positively charged? | Negative, you pick up electrons |
| What is an arc? | An electric discharge |
| What is an electric field? | A space around a charge that is charged |
| How do we represent an electric field? | By field lines |
| Determine how is the strength of a field if the field lines are far apart? | weak |
| Determine how is the strength of a field if the field lines are close? | Strong |
| What is the electric field inside an airplane hit by lightning? | Zero |
| Explain how can you shield against gravity? | No you can not |
| What do you have to do to shield something against electric fields? | Insulation, surround it with a conductor |
| Define the term electric potential? | Electric potential energy/charge |
| What is the SI unit and symbol for electric potential? | Volt V |
| A balloon can have a voltage of 5000 volts. Why is it that you can touch it and it does not kill you? | Low electric discharge |
| Electrical energy can be stored in a device called?Give an example | ? |
