1-25 - 1019 electrons constitutes the charge of

Number of electrons, n = 1.25 × 10^19 Charge on one electron, q = 1.6 × 10^ 19C. ∴ Total charge on n electrons=nq = 1.25 × 10^19× ( 1.6 × 10^ 19) Hence, the c ...

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Standard X

Physics

Charge

1.25 × 1019 e...

Question

$1.25 \times 10^{19}$ electrons constitutes the charge of

+5 C

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- 1 C

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-2 C

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+2 C

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Solution

The correct option is C -2 C
Number of electrons, $n = 1.25 \times 10^{19}$
Charge on one electron, $q = - 1.6 \times 10^{- 19} C .$
$∴$ Total charge on n electrons $= n q = 1.25 \times 10^{19} \times (- 1.6 \times 10^{- 19})$
Hence, the correct answer is option (c).

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1.25×1019 electrons constitutes the charge of

The correct option is C -2 CNumber of electrons, n=1.25×1019 Charge on one electron, q=−1.6×10−19C. ∴ Total charge on n electrons=nq=1.25×1019×(−1.6×10−19) Hence, the correct answer is option (c).

$1.25 \times 10^{19}$ electrons constitutes the charge of

The correct option is C -2 C
Number of electrons, $n = 1.25 \times 10^{19}$
Charge on one electron, $q = - 1.6 \times 10^{- 19} C .$
$∴$ Total charge on n electrons $= n q = 1.25 \times 10^{19} \times (- 1.6 \times 10^{- 19})$
Hence, the correct answer is option (c).