Which one of the following statements is correct concerning the electric charge

Question

Which one of the following statements is correct concerning the electric charge on a proton and the electric charge on an electron? The particles have the same magnitude and sign of electric charge The particles have the same magnitude but opposite sign el electric charge. The magnitude of the electric charge on a proton is much greater than the magnitude of the electric charge on an electron Which one of the following statements concerning the electric force is correct? The electric force between two charged particles is always repulsive. The electric force between two charged particles can be attractive or repulsive depending on the plant of the charges. The electric force between two charged particles is always attractive. A negatively -charged rod is used to charge an initially neutral conducting sphere by induction. Which one of the following statements is correct? The sphere acquires a positive charge and the amount of charge on the rod n decreased The sphere acquires a positive charge and the amount of charge on the rod is unchanged The sphere acquires a negative charge and the amount of charge on the rod is unchanged. The sphere acquires a negative charge and the amount of charge on the rod is decreased.

Explanation / Answer

1) b

beacuse magnitude of charge on elctrona and proron is same.

2) b

Beacuse, like charges repel and unlike charges attract each other.

3) b

the sphere gets positive the side close to the rod and the charge on rod does not change.

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