Questions
A current of 10 amperes is maintained in a conductor of cross-section of . If the electron density is , what is the drift velocity of free electrons ?
detailed solution
Correct option is A
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Similar Questions
Electrons emerge from an electron accelerator as a beam having a circular cross-section of diameter 3 mm. The beam current is 6 μA and electrons are travelling so fast that their speed can be taken as m/sec with an insignificant error. Electron density in the beam is :
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