Calculate the net charge on a substance con- sisting of a combination of 9.0 x 10^13 protons and 4.1 x 10^13 electrons. the elemental charge is 1.6 x 10-19 c. answer in units of c.

Net charge,

Explanation:

Number of protons,

Number of electrons,

Charge on electron,

Charge on proton,

Net charge acting on the substance is :

or

So, the net charge on the substance is . Hence, this is the required solution.

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