The temperature of the tungsten filament light bulbs of 2000 ° C, a diameter of 0.02 mm, the strength of the current in it 4 A. Determine the field strength in the filament.
Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.
If you have any questions about the decision to write. I´ll try to help.
No feedback yet