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Magnetic Effect of Current — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsMagnetic Effect of Current1 Mark
MCQ
Two thick wires and two thin wires, all of the same materials and same length form a square in the three different ways P, Q and R as shown in fig with current connection shown, the magnetic field at the centre of the square is zero in cases
  • A
    In P only
  • B
    In P and Q only
  • C
    In Q and R only
  • ✓
    P and R only
✓

Answer

Correct option: D.
P and R only
(d) P and R only

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