Concept explainers
At the equator, near the surface of the Earth, the magnetic field is approximately 50.0 μT northward, and the electric field is about 100 N/C downward in fair weather. Find the gravitational, electric, and magnetic forces on an electron in this environment, assuming that the electron has an instantaneous velocity of 6.00 × 106 m/s directed to the east.
The gravitational, electric and magnetic force on an electron
Answer to Problem 1P
The gravitational, electric and magnetic force on an electron is
Explanation of Solution
Given info: The magnetic field is
The formula to calculate the gravitational force is,
Here,
Substitute
The formula to calculate the electric force is,
Here,
Substitute
The direction of electric force is upwards.
The formula to calculate the magnetic force is,
Here,
Substitute
The direction of magnetic force is downwards.
Conclusion:
Therefore, the gravitational, electric and magnetic force on an electron is
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