Hello, may I get a step-by-step explanation for each? Thank you!

A portable CD player operates with a voltage of 3.19 V, and its power usage is 0.147 W. Find the current in the player. Number i UnitsThe rms current in a copy machine is 6.77 A, and the resistance of the machine is 24.00. What are (a) the average power and (b) the peak power delivered to the machine? (a) Number Units (b) Number i UnitsThe lament in an incandescent light bulb is made from tungsten (resistivity 5.6 x 10'3 QomJ.The light bulb is plugged into a 120-V outlet and draws a current of 1.89 A. If the radius of the tungsten wire is 0.00336 mm, how long must the wire he? Number I Units 3|