In the table below the velocity directions of various particles & the external magnetic field each particle is subjected to are shown. For each particle, determine the direction of the magnetic force on it. Remember, o means out of the page & o means into the page. External magnetic field Particle polarity Velocity of particle Magnetic force Choose direction Choose direction Choose direction Choose direction
In the table below the velocity directions of various particles & the external magnetic field each particle is subjected to are shown. For each particle, determine the direction of the magnetic force on it. Remember, o means out of the page & o means into the page. External magnetic field Particle polarity Velocity of particle Magnetic force Choose direction Choose direction Choose direction Choose direction
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Step 1
According to the question,
is the direction into the page and is the direction out of the page
Particle polarity | velocity of particle | external magnetic field | |
a) | + | ||
b) | + | ||
c) | - | ||
d) | + |
If the x-axis is in , the y-axis is in and the z-axis is in then in vector form above table can be written as
Particle polarity | velocity of particle | external magnetic field | |
a) | + | ||
b) | + | ||
c) | - | ||
d) | + |
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