1b. Electric Current

Question 1

What is conventional current?

Answer 1

Direction flows of charge carriers from positive to negative

• Even though we know it’s the opposite direction

Question 2

What is electric current, I?

Answer 2

• The rate of flow of charge in a circuit
• I = Q/t

Question 3

What is power?

Answer 3

• power is the energy flowing across a time
• P = IV = V^2/R = I^2R = E/t
• Units are watts, W