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CBSE Class 12-science Answered

Q - 4
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Asked by majethiyarishat9566.12sdatl | 28 May, 2020, 12:23: AM
answered-by-expert Expert Answer
T h e space n e t space f o r c e space o n space q space i s space z e r o space s o space a s space p e r space t h e space q u e s t i o n f o r space n e t space f o r c e space t o space b e space z e r o space o n space q space i t space s h o u l d space b e space i n space t h e space m i d d l e space o f space 4 q space a n d space q fraction numerator K 4 q q over denominator open parentheses begin display style bevelled x over 2 end style close parentheses squared end fraction equals fraction numerator K Q q over denominator open parentheses begin display style bevelled x over 2 end style close parentheses squared end fraction O n space S o l v i n g space Q equals 4 q
The charge would be positive.
Answered by Utkarsh Lokhande | 28 May, 2020, 04:30: AM

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CBSE 12-science - Physics
Electric sheilding 
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CBSE 12-science - Physics
explain this concept
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CBSE 12-science - Physics
A dumbbell consists of two masses A and B each of mass m joined by a light rod of length l with mass B attached to a suspension point O by a light rod of length l as shown in figure. Find the minimum required speed with which mass A to be projected horizontally so that the system completes the vertical circular motion.
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CBSE 12-science - Physics
What is charge?
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CBSE 12-science - Physics
please resolve with good explanation
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CBSE 12-science - Physics
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CBSE 12-science - Physics
if breakdown voltage of each capacitor is 40v ,then maximum applied voltage Vmax will be
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CBSE 12-science - Physics
explain
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CBSE 12-science - Physics
solve option e
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Asked by dasrituparna1999 | 13 Apr, 2024, 06:56: AM
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CBSE 12-science - Physics
The number of moles in an elemental sample is just the ratio of the mass m to atomic mass 4. n= A The number of protons N, in an elemental sample is Z (atomic number) times the number of moles of Avogadro's number NA N=ZnN P A Copper has an atomic mass of 63.5 g/mole and 29 protons per atom. If such an atom were neutral, then it would have as many protons as electrons. If you remove electrons from a neutral state, then you get a net positive charge. Given a 54 gram ball of copper with a net charge of 2.2 µC, what fraction of the copper's electrons have been removed?
Asked by dasrituparna1999 | 12 Apr, 2024, 09:26: PM
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