The magnetic field (B) at the centre of circular current carrying coil of radius R and current I,B=2Rμ0I Similarly, if current =2I, then Magnetic field =2Rμ02I=2B So, resultant magnetic field =B2+(2B)2=5B2=5B=2Rμ0I5
Two similar coils of radius R are lying concentrically with their planes at right angles to each other. The currents flowing in them are I and 2I, respectively. The resultant magnetic field induction at the centre will be
Held on 30 Apr 2012 · Verified 9 Jul 2026.
2R5μ0I
2R3μ0I
2Rμ0I
Rμ0I
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