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MHT CET 2026 (12 May, Shift 1) · Magnetic Field of Straight Wires

Magnetic Field of Straight Wires question from MHT CET 2026 (12 May, Shift 1)

Q5MHT CET 2026 · 12 MAY · SHIFT 1Easy

Magnetic Field of Straight Wires

Two long straight parallel wires are separated by a distance of $20$ cm. Each wire carries current $5$ mA in the same direction. The magnetic field at a point P midway between them is $\{\mu_0 =$ permeability of free space $\}$

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Answer: (d)

For currents in the same direction, the two fields at the midpoint are opposite.
Equal currents at equal distances give equal magnitudes, so they cancel.
So the answer is (d) zero.

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