electricty

Question 1

What is an electric current

Answer 1

its a flow of charge in a conductor

Question 2

what is the flow of charge in a metal

Answer 2

flow of electrons

Question 3

which way does a conventional current flow

Answer 3

positive to negative

Question 4

another name for positive terminal

Answer 4

surplus

Question 5

another name for negative terminal

Answer 5

deficancy

Question 6

what is a current

Answer 6

amount of charge passing a point in a second

Question 7

what is the current symbol

Answer 7

I

Question 8

what is current measured in

Answer 8

amps

Question 9

what do you use to measure current

Answer 9

ammeter

Question 10

must the annemter be connected in series or parallel

Answer 10

series

Question 11

how many milliamperes in an ampere

Answer 11

1000

Question 12

what is a cell

Answer 12

source of energy in a circuit

Question 13

what is the amount of energy per unit charge measured in

Answer 13

volts

Question 14

what happens to chemical energy in a battery

Answer 14

its converted to electrical energy

Question 15

what are wet cells

Answer 15

source of power that produces energy through a chemical reaction ina solution

Question 16

what are dry cells

Answer 16

source of power that has reactive chemical in a dry paste.

Question 17

true or false: the positive end of a cell is connected to the negative end in series

Answer 17

true

Question 18

what is the advantage of cells in series

Answer 18

you have a higher voltage

Question 19

how are cells joined in a parallel circuit

Answer 19

end of positive cells are joined together and end of negative cells are joined together.

Question 20

what is the advantage of having cells connected in parallel

Answer 20

lasts longer

Question 21

true of false: the total potential diffrence of cells in parallel is not equal to one of the branches

Answer 21

false, it is

Question 22

what is another term for potenial diffrence

Answer 22

voltage

Question 23

what is potential difrence

Answer 23

amount of energy gained or lost by a unit of charge

Question 24

symbol for voltage

Answer 24

v

Question 25

what is voltage measured in

Answer 25

volts

Question 26

what do we measure voltage with

Answer 26

voltmeter

Question 27

what does a lightbulb convert energy into

Answer 27

light and heat

Question 28

what are conductors

Answer 28

substance that allow the flow of charge through them

Question 29

do conductors offer some resistance

Answer 29

yes

Question 30

what is resistance measured in?

Answer 30

ohms

Question 31

why is resistance present in a conductor

Answer 31

due to collisions between moving charges and particles

Question 32

what are some factors that affect resistance

Answer 32

length, thickness, type(material), temp