An electron moving with a speed of 8.4 105 m/s in the positive z direction experiences zero magnetic

3 answers
Question:

An electron moving with a speed of 8.4 105 m/s in the positive z direction experiences zero magnetic force. When it moves in the positive x direction it experiences a force of 2.1 10-13 N that points in the negative y direction. What is the magnitude and direction of the magnetic field?
magnitude T

Answers

magnitude of the magnetic field must be 1.56 T

Explanation:

As we know that the magnetic force on moving charge is given as

[tex]F = q(\vec v \times \vec B)[/tex]

now when charge is moving along z direction then magnetic force is ZERO

so here we can say that magnetic field must be parallel to velocity of the charge i.e. along z direction

now when charge is moving along x direction then we have

[tex]F = qvB[/tex]

[tex]2.1 \times 10^{-13} = (1.6 \times 10^{-19})(8.4 \times 10^5) B[/tex]

so we have

[tex]B = 1.56 T[/tex]

magnitude of the magnetic field must be 1.56 T

b.

hope this : )

here are some information of the future of geothermal energy:

-the future of geothermal energy can pretty much be summed up with a single word: more

-scientists plan in going deeper than 120 meters

-we are hoping that one day, we will get all of our energy from renewable energy sources such as geothermal energy

hope this !

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