Two charges 4 and 36 microcoulomb are placed 60cm apart . At what distance from the larger charge is the electric field intensity 0 ( if possible please provide picture of the solution)
Two charges 4 and 36 microcoulomb are placed 60cm apart . At what distance from the larger charge is the electric field intensity 0 ( if possible please provide picture of the solution)
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k*4/r^2=k*36/(60-r)^2
1/r^2=9/(60-r)^2
take sq root both side
1/r=3/(60-r)
60-r=3r
60=4r
r=60/4=15
zero field from lager charge is 60-15=45cm
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