electricity

Question 1

using the following draw an open and closed circuit:

a- light bulb
b- switch
c- battery
d- wires

Answer 1

|open —–closed—–
| | | **
| | | -|
* | | |
*______ ——————–

Question 2

what is the difference between an open circuit and a closed circuit

Answer 2

open circuits have breaks

closed circuits have none

Question 3

using the correct electrical symbols draw a picture of a closed circuit that contains 2 lightbulbs, a switch and a battery.

Answer 3

look at review guide

Question 4

describe how opposite and like charges react to eachother.

Answer 4

opposites attract, likes repel

Question 5

explain voltage (potential difference), current and resistance and describe the role of each ini an electrical circuit

Answer 5

voltage- potential energy difference

resistance- how easily current can pass

Question 6

what is the difference between DC (direct current) and AC (alternating current)?

Answer 6

DC- one direction

AC- constantly changes direction