Last Updated On 16-03-2023 - By Jeesha Sara
Four equal point charges Q each are placed in the xy placed at (0, 2), (4, 2), (4, −2) and (0, −2). The work required to put a fifth charge Q at the origin of the coordinate system will be:
(a)
(b)
(c)
(d)
Four equal point charges Q each are placed in the xy placed at (0, 2), (4, 2), (4, −2) and (0, −2). The work required to put a fifth charge Q at the origin of the coordinate system will be:
(a)
(b)
(c)
(d)
Question ID - 50281 :-
Four equal point charges Q each are placed in the xy placed at (0, 2), (4, 2), (4, −2) and (0, −2). The work required to put a fifth charge Q at the origin of the coordinate system will be:
(a)
(b)
(c)
(d)
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Four equal point charges Q each are placed in the xy placed at (0, 2), (4, 2), (4, −2) and (0, −2). The work required to put a fifth charge Q at the origin of the coordinate system will be: |
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(a) |
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(b) |
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(c) |
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(d) |
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Potential at origin=
(Potential at 
=KQ
Work required to put a fifth charge Q at origin is equal to 
Next Question :
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A cylindrical plastic bottle of negligible mass is filled with 310 ml of water and left floating in a pond with still water. If pressed downward slightly and released, it starts performing simple harmonic motion at angular frequency |
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(a) |
5.00 rad s−1 |
(b) |
1.25 rad s−1 |
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(c) |
3.75 rad s−1 |
(d) |
7.95 rad s−1 |
. If the radius of the bottle is 2.5 cm then 
close to: (density of water =103 kg/m3)View Topper Answer
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