An electrically neutral object is given a positive charge. In principle, does th

Question

An electrically neutral object is given a positive charge. In principle, does the object's mass increase, decrease, or stay the same as a result of being charged?
a) stay the same
b) decrease
c) increase

Choose the best explanation from among the following:

a) To give the object a positive charge we must remove some of its electrons; this will reduce its mass.

b) Charge is conserved, and therefore the mass of the object will remain the same.
c) Since electric charges have mass, giving the object a positive charge will increase its mass.

Explanation / Answer

1. decrease . cause positively charged mean that there are electrons that were taken out from the object, so its mass is decreased. 2. a)To give the object a positive charge we must remove some of its electrons; this will reduce its mass.

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