# Discontinuous voltage graph for bullet going through metal coils

• ChiralSuperfields
In summary, the conversation discusses the discontinuity of the graphs for ##V_1## and ##V_2## where they cross the time axis. It is suggested that this is simply a drawing issue and not related to the physics, as the voltage induced is proportional to the change in the B-field through the loops. It is recommended to ask a TA or professor informally if this confusion is affecting the ability to solve the homework problem.
ChiralSuperfields
Homework Statement
Relevant Equations
For this problem,

The solution is,

However, dose anybody please know why the graphs for ##V_1## and ##V_2## are discontinuous where they cross the time axis?

Many thanks!

Callumnc1 said:

However, dose anybody please know why the graphs for and are discontinuous where they cross the time axis?
It only looks like a drawing issue, not something to do with the physics. The voltage induced is just proportional to the change in the B-field through the loops, which is certainly continous in the real world. Is this confusion affecting your ability to solve your homework problem, or just a curiousity at this point?

If (b), I would recommend that you just ask a TA or the professor informally when you next see them.

ChiralSuperfields
berkeman said:
It only looks like a drawing issue, not something to do with the physics. The voltage induced is just proportional to the change in the B-field through the loops, which is certainly continous in the real world. Is this confusion affecting your ability to solve your homework problem, or just a curiousity at this point?

If (b), I would recommend that you just ask a TA or the professor informally when you next see them.
Thanks for your help @berkeman ! Just (b) at this point, but it does sound like it drawing issue as you mention.

Thank you!

berkeman

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