25. Electric Potential
Work From Electric Force
25. Electric Potential Work From Electric Force
4PRACTICE PROBLEM
In a photoelectric device, electromagnetic radiation moves electrons from the cathode to the anode, doing 5.3 × 10 -19 J of work per electron. Calculate the emf (give magnitude only) created in the device.
In a photoelectric device, electromagnetic radiation moves electrons from the cathode to the anode, doing 5.3 × 10 -19 J of work per electron. Calculate the emf (give magnitude only) created in the device.