an electron accelerated by a potential difference of 300V ,is moving at a distance of 4mm from a long staight wire.If current of 5A flows through the wire,what will be the force acting on the electron?
ans is 4*10^-16N
V

Question

an electron accelerated by a potential difference of 300V ,is
moving at a distance of 4mm from a long staight wire If current of
5A flows through the wire,what will be the force acting on the
electron?
ans is 4*10^-16N
V

Vara · Accepted Answer

Speed of the electron:Work done=Kinetic energyqV=12mv2v=2qVm   =21
6×10-193009 1×10-31   =1
03×107 m/sMagnetic field due to current carrying wire:B=μo2πir    =4π×10-72π54×10-3    =0
00025 TForce on the electron:=Bqv=0
00025×1 6×10-19×1
03×107=4×10-16 N

an electron accelerated by a potential difference of 300V ,is moving at a distance of 4mm from a long staight wire.If current of 5A flows through the wire,what will be the force acting on the electron? ans is 4*10^-16N V

an electron accelerated by a potential difference of 300V ,is moving at a distance of 4mm from a long staight wire.If current of 5A flows through the wire,what will be the force acting on the electron?
ans is 4*10^-16N
V