Physics, asked by Denniskhiangte5381, 10 months ago

At an instant electron is moving in the xy plane the components of its velocity along x and y axes are 5 into 10 power 5 metre per second in and 3 into 10 power 5 metre per second respectively a magnetic field of 0.8 tesla is in the positive positive x axis at this instant the magnitude of the magnetic force on the electron is

Answers

Answered by aristocles
1

Answer:

Force on the electron moving in magnetic field is given as

F = 3.84 \times 10^{-14} \hat k

Explanation:

velocity of the electron is given as

\vec v = 5\times 10^5 \hat i + 3\times 10^5 \hat j

now we have

\vec B = 0.8 T\hat i

now we know that magnetic force on moving charge is given as

F = q(\vec v \times \vec B)

so we have

F = -(1.6 \times 10^{-19})(5\times 10^5 \hat i + 3\times 10^5 \hat j)\times (0.8\hat i)

F = 3.84 \times 10^{-14} \hat k

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