A 5-μC positive point charge is located at the origin and a 6 μC positive point charge is located at x = 0.00 m, y = 1.0 m. Find the coordinates of the point where the net electric field strength due to these charges is zero.
a) x = 0.00 m, y = 0.62 m
b) x = 0.00 m, y = 0.48 m
c) x = 0.00 m, y = 0.34 m
d) x = 0.00 m, y = 0.77 m
The point where electric field is zero will be on y axiz
Let that coordinate be (0,y)
Electric field at this point due to charge at origin=9*10^9*5*10^-6/y²
Electric field at this point due to the other charge=9*10^9*6*10^-6/(1-y)²
For net electric field to be zero, the electric field should be equal and opposite
9*10^9*5*10^-6/y²=9*10^9*5*10^-6/(1-y)²
5/y²=6/(1-y)²
y=0.48 m
Option b is correct
A 5-μC positive point charge is located at the origin and a 6 μC positive point...
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