CBSE Class 12-science - Drift of Electrons and Resistivity Videos
Drift speed and its dependence on applied electric field
Define drift speed and study its dependence on applied electric field. Learn to decipher the colour coding of resistors.
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Drift speed and its dependence on applied electric f ...
- what is electricity
- what is drift velocity
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the number of electrons striking the screen of CRT is 7.5×10^15 in 10 sec. calculate the electric current
- A semiconductor slab of thickness t=0.5 mm with length l=30 cm carrying current I=2A placed in a magnetic field B=0.25T directed into the page, perpendicular to the flat surface of the slab carries 7*10^24 electrons per m^3. Calculate the Hall voltage across the slab. Indicate which edge (top or bottom) is at higher potential and why?
- drift velocity is directly proportional to
- What is resistance?
- If the temperature of a conductor decreases,how does the relaxation time of electrons in the conductor change?
- explain slow electrons and fast electricity concept.. why electricy travel fast whereas the electron in it have very low velocity.
- How does a metal conduct electricity?
- Obtain the relation between the terms drift velocity, relaxation time and electric field
