Find the value of q so that the system is in equilibrium.O is the mid point.Answer needed asap.
Adrija Banerjee , 8 Years ago
Grade 12
Electrostatics> Find the value of q so that the system is...
3 Answers
Adarsh
The value of q will be -4Q so that the system is in equilibrium.
Adarsh
sorry it was typed mistakenly the value of q will be -Q/4.thanks and regards adarsh
Khimraj
System will be in equilibrium if net force on each charge particle is zero.
Let the distance betwwen AB = r then AO =BO = r/2.
Force on q is zero as it is at mid point of AB
For equilibrium force on Q must be zero
So FQ = FQq + FQQ
FQ = kQq/(r/2)2 + kQQ/r2 = 0
So 4q + Q =0
then q = -Q/4.
Hope it clears. If you like answer then please approve it.
Approved Last Activity: 8 Years ago
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