physics exam review Flashcards
1
Q
what is the difference between static and current electricity
A
static electricity is imbalance of electric charges, current electricity is the flow of charged particles
2
Q
what happens when a charged object comes in contact with a neutral object
A
the charges are attracted to the neutral object
3
Q
what are the symbols for the components of an electrical circuit
A
resistor, battery, lightbulb, open/closed switches
4
Q
how do you connect an ammeter to a circuit
A
put the ammeter next to the battery
5
Q
what are the symbols for potential difference, resistance, and current
A
potential difference is V, current is A and resistance is Ω
6
Q
how much current can hurt your body
A
0.01A can cause a shock, 0.1A to 0.2A are deadly
