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For c = 2a, and a < b < c, the magnetic field at point P will be zero when
detailed solution
Correct option is C
Magnetic field at centre,B=μ0I2c ⊗ + μ0I2b34 ⊙ +μ0I2a 34 ⊗As per problem,0=μ0I2 1c −34b+34aIf c=2a,54a-34b=0 ⇒ a=53bTalk to our academic expert!
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