1. Ohms Law
Problems

2. Problem 1 Using the formula Volts = current x resistance
If a computer speaker operates at 4 ohms and has a current of 1 amp, what is the volts required to run the speaker?

3. Problem 2 Using the formula Volts = current x resistance
If a music player uses 3 volts of electricity at a current of 0.5 Amps, the resistance is how many ohms?

4. Problem 3 Using the formula Volts = current x resistance
If an electronic tablet uses 5 volts of electricity at a current of 2 Amps, what is the resistance in ohms?

5. Problem 4 Using the formula Volts = current x resistance
If an outlet has 120 volts and the resistance for a blender motor is 10 ohms, how much current is going through the wire to power the motor?

6. Problem 5 Using the formula Volts = current x resistance
If the plug for a wireless internet router is 12 volts and uses 2 amps of current, how much resistance does it have in ohms?

7. Problem 6 Using the formula Power = Volts x Current
How many watts are used to power a tablet using 120 volts where 2 amps of current are traveling through?

8. Problem 7 Using the formula Power = Volts x Current
If a 1500 watt hair dryer is running at 120 volts, how much current is running through the wire?

9. Problem 8 Using the formula Power = Volts x Current
If a 700 watt microwave oven runs for 1 minute at 7 amps, how many volts are needed to run the microwave oven?