Concept explainers
Choose the correct option.

Answer to Problem 2FC
The correct optionis (b) East.
Explanation of Solution
Description:
Right-Hand Rule 1 (RHR 1) is stated as when the right hand is extended, the fingers are directed along the direction of the magnetic field, the thumb is directed along the charge velocity, and the palm points at the direction of the magnetic force that acting on the charge.
As per the statement given above, the direction of the magnetic force is in the west. It is to be noted that the given law is for a positively charged particle. However, the given law is for an electron that is negatively charged. Therefore, the direction must be reversed.
Now the direction of the magnetic force is right opposite to the direction of positively charged particle. Hence the new direction will be pointed to the east.
Therefore, option (b) is correct and remaining options (a), (c), (d), and (e)are incorrect.
Conclusion:
Thus, the correct optionis (b) East.
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Chapter 21 Solutions
EP PHYSICS (W/ANSWERS+INDEX)
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