Determine the voltage across the resistor and the power dissipated
Image from: Irwin, J. David., and R. M. Nelms. Basic Engineering Circuit Analysis, Tenth Edition. N.p.: John Wiley & Sons, 2010.
Let us first find the voltage. Voltage is V=IR where I is current and R is resistance.
Now, let us find the power dissipated.
This question can be found in Basic Engineering Circuit Analysis, 10th edition, chapter 1, question 2.3