The negative charge shown above is the only charge contributing to the electric field at point P. What is the direction of the field at P and what would be the direction of the force on an electron if placed at point P?
A
Direction of Electric field - Left, Direction of Force on Electron - Left
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B
Direction of Electric field - Left, Direction of Force on Electron - Right
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C
Direction of Electric field - Right, Direction of Force on Electron - Right
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D
Direction of Electric field - Right, Direction of Force on Electron - Left
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E
Direction of Electric field - left, Direction of Force on Electron - up
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Solution
The correct option is D Direction of Electric field - Right, Direction of Force on Electron - Left The direction of electric field at P due to negative charge is towards the negative charge. Thus, the direction of field is to the right.
Since, electric force F=−qE so direction of force will be opposite as E i.e to the left.