7. What does the direction of the magnetic force on a moving charged particle im

Question

7. What does the direction of the magnetic force on a moving charged particle imply about the magnetic force's ability to change the speed of the charge?

8. Explain the workings of a mass spectrometer.

12. List the two approaches that we used in class to calculate magnetic fields and what the analogous approaches were for calculating electric fields.

15. Know what is meant by "current enclosed" in Ampere's law.

16. Two charged particles are projected into a region where there the magnetic field is perpendicular to their velocities. If the charges are deflected in opposite directions, what can you conclude about the charges?

17. How would you orient a current carrying conductor in a magnetic field so that it experiences no force?

Explanation / Answer

7. Direction of magnetic field implies that whether charge will experince a upward or downward force.

8. Mass spectrometer- Every atom has unique absorption and emission spectrum. Mass spectrometer analyzes the absorption spectrum and identifies the element.

15. current enlcosed means total current leaving the chosen area.

16. if the charge particle is diflected in oppostie directions - It means they both have opoosite charges.

17 place the wire parralel to the magnetic field, or along magnetic field.

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