1. A battery supplies 8 amps of current to a circuit at 24 volts. What is the resistance in the circuit?

2. A television uses 120 volts and 2.2 amps. How much power (in watts) does the television use?

3. You see a lightning flash strike the ground and 3.2 seconds later you hear a loud blast of thunder. How far away (in feet) did the lightning hit?

The speed of sound in air is approximately 1100 ft/s.

4. If the speed of a wave is 300 m/s and its frequency is 12 Hz, calculate the wavelength (in meters).

5. Calculate the energy (in joules) needed for 51 watts of power to be used for 60 seconds.

6. Calculate the charge (in Coulombs) needed for 2 amps to flow for 56 seconds

7. 6 identical resistors are connected in series with a 12-volt battery. Calculate the voltage across one resistor.

8. An electric toaster operating on 120 volts draws a current of 2.9 amps. The resistance of the toaster is:

9. What is the wavelength of an FM station broadcasting at 106 megahertz? The speed of light is 300,000,000 m/s.

10. Calculate the resistance (in ohms) of a 141 watt lightbulb connected to a 120-volt electrical outlet.

11. Calculate the linear mass density (in kg/m) of a 307 gram wire that is 100 cm long.