A-3. two similar very small conducting spheres having charges 40 c and ñ20 c are some distance apart. now they are touched and kept at same distance. the ratio of the initial to the final force between them is :
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Initial force =ma
= 40(3)
=120n
And final force =ma
= 20(3)
= 60n
And ration =initial force /final force
= 120n/60n
= 2/1
=2:1
= 40(3)
=120n
And final force =ma
= 20(3)
= 60n
And ration =initial force /final force
= 120n/60n
= 2/1
=2:1
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