What is the equation that represents Ohm’s law?

Your teacher asks you to measure the electric current in a circuit consisting of a 9-V battery, a small electric motor, and some copper wire. Which device would you use to carry out this task?

Which procedure will result in only the blue lightbulbs operating?

A neutral object loses electrons. What is the new charge on the object?

In the circuit shown, if the resistor at X is 20Ω the resistor at Y is 10 Ω, and the resistor at Z is 25 Ω, where would the current be greatest?  

When flying to visit your family in Vancouver, you notice some small rods sticking out of the wing of the airplane you are on.What is the purpose of these structures?

What will happen if switch 3 is closed and the other switches are left open?

Which of the following is an unsafe location to be during a lightning storm?

What occurs when there is a short circuit?

Outfit: Black slacks, light blue blouse, black blazer, closed-toe heels, and minimal jewelry.