1) If your toaster draws 5 A of 120 V current, what is its resistance?

What are the following variables worth?
(Put a question mark by the variable the problem is asking for. If
a variable is not mentioned, scratch it out.)

I = ________R = ________

V = ________P = ________

Which equation should you use?

How should it be rearranged (if at all)
to solve for the unknown?

“Plug in” the values and solve it.

Final answer: ____________.

2) What is the voltage of across a 75 Ohm resistor with 10 A of current?

What are the following variables worth?
(Put a question mark by the variable the problem is asking for. If
a variable is not mentioned, scratch it out.)

I = ________R = ________

V = ________P = ________

Which equation should you use?

How should it be rearranged (if at all)
to solve for the unknown?

“Plug in” the values and solve it.

Final answer: ____________.

3) If your toaster draws 5 A of 120 V current, what is its power?

What are the following variables worth?
(Put a question mark by the variable the problem is asking for. If
a variable is not mentioned, scratch it out.)

I = ________R = ________

V = ________P = ________

Which equation should you use?

How should it be rearranged (if at all)
to solve for the unknown?

“Plug in” the values and solve it.

Final answer: ____________.

4) What current is drawn by a 9 V battery producing 2 W of power?

I = ________R = ________

V = ________P = ________

Which equation should you use?

How should it be rearranged (if at all)
to solve for the unknown?

“Plug in” the values and solve it.

Final answer: ____________.

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