Answer:
when you tell someone over and over to stop bothering you and they dont so i think you should tell a teacher
Explanation:
The electrons are already there. They are freely moving through the conductor.
Answer:
explained
Explanation:
Yes, the heating of filament is what causes the light production (photon emission), and this heating is caused because of current in the light bulb
(H= i^2*R*t i=current, H= heat, t= time and R= resistance).But using constant current source is not a good idea because in constant current source resistance is very low that can cause short circuit and ultimately fusing it. Whereas in constant voltage source current adjusts itself and prevents fusing because of high resistance in the circuit.
Answer:

Explanation:
From the question we are told that:
Length 
Distance apart 
Electron Transferred 
Therefore
Total Charge
Since Charge on each electron is

Therefore


Generally the equation for Charge density is mathematically given by

Where
Area


Therefore


Generally the equation for Electric Field in the capacitor is mathematically given by


