A proton and an electron are placed in an uniform electric field.

The electric forces acting on them will be equal.

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The magnitudes of the forces will be equal.

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Their accelerations will be equal.

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The magnitudes of their accelerations will be equal.

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Solution

The correct option is B The magnitudes of the forces will be equal.
The proton and electron have equal and opposite charge and force $F = q E$ . So when they are placed in uniform electric field, the magnitude of forces are equal.
Ans:(B)

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A proton and an electron are placed in an uniform electric field.

The correct option is B The magnitudes of the forces will be equal.The proton and electron have equal and opposite charge and force F=qE. So when they are placed in uniform electric field, the magnitude of forces are equal.Ans:(B)

The correct option is B The magnitudes of the forces will be equal.
The proton and electron have equal and opposite charge and force $F = q E$ . So when they are placed in uniform electric field, the magnitude of forces are equal.
Ans:(B)