Find the magnitude and sense current

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Q. An asteroid is discovered heading straight toward Earth at 14 km/s. An international team manages to attach a giant rocket engine to the asteroid. The rocket fires for 10 {rm min}, after which the asteroid is moving at 26^circ to its original path at a speed of 20 km/s.

Q. Two circular coils of diameter 30.0 cm are parallel to each other and have their centers along the same line L but separated by 22.0 cm. When an experimenter views the coils along L, the coil closer to her carries a clockwise current of 2.50 A. Find the magnitude and sense (clockwise or counterclockwise) of the current needed in the other coil so that the net magnetic field on L midway between the two coils will have a magnitude of 4.10 µT and point away from the experimenter who is viewing the coils along L. (Note: µ0 = 4π × 10-7 T · m/A)

Reference no: EM1349479

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