Charge and Current

Question 1

What are the tiny charged particles that flow around in an electrical circuit called?

Answer 1

Electrons

Question 2

What is the word used to describe the flow of particles around a circuit?

Answer 2

Current

Question 3

What is electrical current?

Answer 3

It is the flow of electrical charge

Question 4

What is the unit of charge?

Answer 4

Coulombs

Question 5

What is current a measurement of?

Answer 5

Current is a measurement of how quickly electrical charge (coulombs) flows

Question 6

What is current measured in?

Answer 6

Amps

Question 7

What does 1 amp mean?

Answer 7

1 amp means 1 coulomb of charge flows past a point per second

Question 8

What is the symbol for charge, current and time?

Answer 8

Symbol for charge - Q
Symbol for current - I
Symbol for time - T

Question 9

What is the unit for charge, current and time?

Answer 9

Unit for charge - Coulomb (C)
Unit for current- Amp (A)
Unit for time - seconds (S)

Question 10

What is the equation for charge?

Answer 10

Charge = current x time 
Q = It

Question 11

What is the equation for current?

Answer 11

Current = charge/time
I = Q/t

Question 12

What is the equation for time?

Answer 12

Time = charge/current
t = Q/I