Two thick wires and two thin wires, all of the same materais and same length from a square in the three differenct ways, `P,Q` and `R` as shwon in figure with current connection shown, the magneitc feidl at the centre of the square is zero in cases. A. In p onlyB. In P and Q onlyC. In Q and R onlyD. P and R only

Two thick wires and two thin wires, all of the same materais and same

1.	Two thick wires and two thin wires, all of the same materais and same length from a square in the three differenct ways, `P,Q` and `R` as shwon in figure with current connection shown, the magneitc feidl at the centre of the square is zero in cases. A. In p onlyB. In P and Q onlyC. In Q and R onlyD. P and R only
Answer» Correct Answer - D

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