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Magnetic Effect of Current — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsMagnetic Effect of Current1 Mark
Question

Two infinitely long parallel wires carry equal current in same direction. The magnetic field at a mid point in between the two wires is

(a) Twice the magnetic field produced due to each of the wires

(b) Half of the magnetic field produced due to each of the wires

(c) Square of the magnetic field produced due to each of the wires

(d) Zero
✓

Answer

(d) Zero

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