QUESTION 1 What kind of gas will you see glowing inside the e/m tube? O Hydrogen

Question

QUESTION 1 What kind of gas will you see glowing inside the e/m tube? O Hydrogen O Mercury Vapor O Helium O Neon 1 points Save A 1 points Save QUESTION 2 What is the main purpose of the Helmholtz coils? O To create a uniform electric field around the apparatus that will protect you from the electron beam. O To create a magnetic field that will deflect the electrons into a circular path. O To directly measure the electron to mass ratio through the property of induction. O To supply enough current to power the electron gun.

Explanation / Answer

Question-1

Helium gas

Question-2

Helmholtz coils:-

It consists of two identical circular magnetic coils that are placed symmetrically, one on each side of the experimental area along a common axis, and separated by a distance (h) equal to the radius (R) of the coil. Each coil carries an equal electrical current flowing in the same direction.

The main purpose of the helmholtz coils is to create a uniform magnetic field around the appratus.

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