Lesson 13 Do Now

What is Ohm's Law?

If the voltage across a resistor is 10V and the current flowing through it is 2A, what is the resistance?

What is the formula for calculating total resistance in a series circuit?

What is the formula for calculating total resistance in a parallel circuit?

If the total current in a series circuit is 3A, what is the current through each resistor?

• 1A

• 3A

• 6A

• 0A

• 3A

• 4A

• 2A

• 6A

If a parallel circuit has a total current of 10A and two branches with currents of 4A and 6A, what is the total current?

• 10A

• 4A

• 6A

• 12A

What happens to the total resistance in a parallel circuit when more resistors are added?

• It increases

• It decreases

• It stays the same

• It doubles