Map odD Sapling Learning macmillan learning Determine the direction of the force

Question

Map odD Sapling Learning macmillan learning Determine the direction of the force (if any) that will act on the charge in each of the following situations. A negative charge within an electric field that points downward. A positive charge within an electric field that points to the left. A negative charge moving to the left in a magnetic field that points out of the screen. A positive charge moving out of the screen in a magnetic field that points downward. A negative charge moving to the left in an electric field that points out of the screen. A positive charge moving out of the screen in a magnetic field that points out of the screen. upward downward into the screen zero force to the right out of the screen to the left

Explanation / Answer

Here, for the force on the charge

force = charge * electric field

for the magnetic force

force = q * v X B

where v is the velocity

B is the magnetic field

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A negative charge within an electric field that points downwards === upwards

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A positive charge within an electric field that points to left === to the left

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A negative charge moving to the left in a magnetic field that points out === Downwards

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A positive charge moving out of screen in a magnetic field that points downwards === Right

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A negative charge moving to the left in a electric field === into the screen

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A positive charge moving out of the screen in magnetic field === Zero force

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