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4 cards from this section. Quick, good the night before a test.
What is the formula for electric force on a charged particle?
Remember the relationship between force, charge, and electric field.
How does the magnetic force act on a charged particle?
Look for how velocity and magnetic field strength work together.
What is the condition for a charged particle to move in a straight line when both electric and magnetic fields are present?
Think of the implications of balanced forces.
True or False: A velocity selector can filter charged particles based on their electric charge.
Consider the primary function of the velocity selector.
A proton moves through a magnetic field of 0.3 T and has an electric field of strength 1000 N/C acting on it. Calculate the velocity of the proton required for it to move in a straight line.
Use the relationship that allows you to solve for velocity.
If a velocity selector is set to filter particles at a speed of 200 m/s, what electric field strength is required if the magnetic field is 0.2 T?
Think about how the electric field relates to the velocity of the particles.
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