Calculate the number of protons and electrons for a charge of +610 mC and −530 mC respectively. Charge of electron is −1.6×10−19 C and charge of proton is 1.6×10−19 C. Hint: mC means milli coulomb. A)The excess number of protons is 3.8×1018.The excess number of electrons is 3.3×1018.B)The excess number of protons is 4.9×1018.The excess number of electrons is 1.3×1018.C)The excess number of protons is −3.1×1018.The excess number of electrons is −3.5×1018.D)The excess number of protons is 3.1×1018.The excess number of electrons is 3.5×1018.

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Asked Dec 14, 2019
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Calculate the number of protons and electrons for a charge of +610 mC and −530 mC respectively. Charge of electron is −1.6×10−19 C and charge of proton is 1.6×10−19 C. Hint: mC means milli coulomb.

A)The excess number of protons is 3.8×1018

.The excess number of electrons is 3.3×1018

.
B)The excess number of protons is 4.9×1018

.The excess number of electrons is 1.3×1018

.
C)The excess number of protons is −3.1×1018

.The excess number of electrons is −3.5×1018

.
D)The excess number of protons is 3.1×1018

.The excess number of electrons is 3.5×1018.

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Expert Answer

Step 1

The electron and proton have electric charge.

The charge of the electron is -1.6×10-19C  and the charge of the proton is  .

The formula used for the calculation of excess protons and electrons is as follows:

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given charge charge of electron given charge ch arge of proton Excess electrons = Excess protons

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Step 2

The number of protons is calculated as follows:

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given charge charge of proton Excess protons : 10-°C +610 mCx- 1 mC +1.6×10-1º C = 3.8 x108 ||

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Step 3

The number of electrons is calculated as follows: ...

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given charge charge of electron Excess electrons 10-C -530 mC x- 1 mC -1.6 x 10-1°C = 3.3 x1018 %|

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