Potential Diff & Electric Current

Question 1

When do objects become charged?

Answer 1

When electrons are transferred from 1 object to another

Question 2

Do you know the symbol for electric charge?? 0——0

Answer 2

q OR Q

Question 3

And what’s the unit for electric charge then?? 0—0

Answer 3

C (coulombs)

Question 4

What reaction if opposite charge meet one another?

Answer 4

Charge attract to one another

Question 5

What reaction if same charge meet one another?

Answer 5

Charge repel

Question 6

What is an electricity conductor?

Answer 6

Material allow electric charge to move easily

Question 7

What is an electricity insulator?

Answer 7

Material DONT allow electric charge to move

Question 8

What is electricity?

Answer 8

flow of electrons (e- move from one place to one another)

Question 9

What is electricity current?

Answer 9

rate (speed) of the flow of positive protons -> Symbol: (I)

Question 10

How to calculate the electric CURRENT?

Answer 10

I = q/t

Units: Cs-1 (or Amps –> Eg. 2A)

Question 11

What is conventional current?

Answer 11

negative e- and I (positive) always in opposite direction.

Question 12

What does an electric circuit do?

Answer 12

Enables current to flow throughout a closed path (Eg. A wire)

Question 13

What is the source of the electric curcuit?

Answer 13

Battery (power source)

Question 14

What is voltage?

Answer 14

electric potential difference

Question 15

What measures voltage?

Answer 15

voltmeter

Question 16

What measures current?

Answer 16

Anmeter