Download Ohm`s Law and Electrical Power Practice

Ohm’s Law and Electrical Power Practice
Ohm’s Law Practice
1. What voltage produces a current of 50 amps
with a resistance of 20 ohms?
2. What voltage produces a current of 500 amps
with a resistance of 50 ohms?
3. What is the current produced with a 9-volt battery through a resistance of
100 ohms?
4. If the potential difference is 120 volts and the resistance is 50 ohms, what
is the current?
5. What resistance would produce a current of 200 amperes with a potential
difference of 2000 volts?
6. What is the resistance of a light-bulb if a 120-volt potential difference
produces a current of 0.8 amperes?
7. What is the potential difference if a resistance of 25 ohms produces a
current of 250 amperes?
Electrical Power
8. How much electrical power is produced with
a voltage of 20 and a wire carrying 30 amps of
current?
9. The potential difference of 15 volts is going through a wire with a current
of 50 amps. How much electrical power is produced?
10. The electrical power produced from a 20 amp current is 4 watts. What is
the potential difference?
11. A 9-volt battery is producing an electrical power of 5 watts, what is the
current going through the wire attached?