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Question
A stream of electrons is projected horizontally to the right. A straight conductor carrying a current is supported parallel to the electron stream and above it. If the current in the conductor is from left to right, what will be the effect on the electron stream?
A stream of electrons is projected horizontally to the right. A straight conductor carrying a current is supported parallel to the electron stream and above it. If the current in the conductor is from left to right, what will be the effect on the electron stream?
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Solution
The correct option is B The electron stream will be pulled downward
Current due to a stream of electrons will be in a direction opposite to the direction of current in the straight conductor which is held parallel above the stream of electrons. The two currents are in opposite directions and hence they will repel.
So, the stream of electrons is pulled downward.
Current due to a stream of electrons will be in a direction opposite to the direction of current in the straight conductor which is held parallel above the stream of electrons. The two currents are in opposite directions and hence they will repel.
So, the stream of electrons is pulled downward.
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