Ch. 18 Electric Currents

Q18-12 Higher current vs higher resistance.  Go ahead and find the numbers for this one.

Problems:

P18-9 Why doesn't the bird get electrocuted?

P18-15 Resistance comparison.

P18-33 The cost of using a toaster.

P18-39 Why we use very high voltage lines to transport electricity.  Remember that the general definition for electric power doesn't depend on resistance.