AL Rayah Girl’s school, Cycle 3
Physics worksheet- Electric current and circuits
Name
Grade: 10 adv
2.
3. The current through a toaster that is connected to a 120-V source is 8.0 A. What power is
dissipated by the toaster?
4.
5. A lamp draws 0.50 A from a 120-V generator.
a. How much power is delivered?
b. How much energy is converted in 5.0 min?
6.
7. . A current of 1.2 A is measured through a 50.0Ω resistor for 5.0 min. How much heat is generated
by the resistor?
8. A 6.0 Ω resistor is connected to a 15-V battery.
a. What is the current in the circuit?
b. How much thermal energy is produced in 10.0 min?