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A solid copper sphere, 10 cm in diameter is deprived of 1020 electrons by a charging scheme. The charge on the sphere is
- a)160.2 C
- b)-160.2 C
- c)-16.02 C
- d)16.02 C
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
A solid copper sphere, 10 cm in diameter is deprived of 1020 electrons...
Let's calculate the charge on the sphere
Understanding the problem:
- A copper sphere loses 10^20 electrons.
- We need to find the total charge on the sphere.
Solution:
- Charge of one electron (e) = -1.6 x 10^-19 C
- Number of electrons removed (n) = 10^20
Total charge (Q) = n * e
Q = 1020 * (-1.6 x 10^-19 C) Q = -1.632 x 10^-16 C
Approximately, Q = -16.02 x 10^-17 C
Therefore, the charge on the sphere is -16.02 C.
So, the correct answer is:
4. -16.02 C
Note that the charge is negative because electrons are removed, leaving a net positive charge on the sphere.
Most Upvoted Answer
A solid copper sphere, 10 cm in diameter is deprived of 1020 electrons...
Given: Diameter of copper sphere = 10 cm
Number of electrons removed = 1020
To find: Charge on the sphere
Formula used: Charge = Number of electrons x Charge on one electron
Charge on one electron = -1.6 x 10^-19 C (negative sign indicates that electron has a negative charge)
Calculation:
Number of electrons removed = 1020
Charge on one electron = -1.6 x 10^-19 C
Charge on the sphere = Number of electrons x Charge on one electron
= 1020 x (-1.6 x 10^-19)
= -1.632 x 10^-16 C
The charge on the sphere is negative as electrons are removed from it.
The answer is option C) 16.02 C, which is incorrect. The correct answer is option D) -16.02 C.
Number of electrons removed = 1020
To find: Charge on the sphere
Formula used: Charge = Number of electrons x Charge on one electron
Charge on one electron = -1.6 x 10^-19 C (negative sign indicates that electron has a negative charge)
Calculation:
Number of electrons removed = 1020
Charge on one electron = -1.6 x 10^-19 C
Charge on the sphere = Number of electrons x Charge on one electron
= 1020 x (-1.6 x 10^-19)
= -1.632 x 10^-16 C
The charge on the sphere is negative as electrons are removed from it.
The answer is option C) 16.02 C, which is incorrect. The correct answer is option D) -16.02 C.
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Community Answer
A solid copper sphere, 10 cm in diameter is deprived of 1020 electrons...
Becz charge of an electron is in so,its ans is also negative
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A solid copper sphere, 10 cm in diameter is deprived of 1020 electrons by a charging scheme. The charge on the sphere isa)160.2 Cb)-160.2 Cc)-16.02 Cd)16.02 CCorrect answer is option 'C'. Can you explain this answer?
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