In a demonstration, a 4.00 cm² square coil with 10,000 turns enters a larger square region with a uniform 1.50-T magnetic field at a speed of 100 m/s. The plane of the coil is perpendicular to the field lines. If the breakdown voltage of air is 4000 V/cm on that day, the largest gap you can have between the two wires connected to the ends of the coil and still get a spark is A)7.5 × 10−3 cm. B)0.015 cm. C)7.5 cm. D)13 cm. E)15 cm.

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The Answer of In a demonstration, a 4.00 cm² square coil with 10,000 turns enters a larger square region with a uniform 1.50-T magnetic field at a speed of 100 m/s. The plane of the coil is perpendicular to the field lines. If the breakdown voltage of air is 4000 V/cm on that day, the largest gap you can have between the two wires connected to the ends of the coil and still get a spark is A)7.5 × 10−3 cm. B)0.015 cm. C)7.5 cm. D)13 cm. E)15 cm.

In a Demonstration, a 4