As shown in the figure, a metal rod makes contact with a
partial circuit and completes the circuit. The circuit area
is perpendicular to a magnetic field with B=0.15T. If the
resistance of the total circuit is 322, the force needed to
move the rod as indicated with a constant speed of 2 m/s
will be equal to:
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As shown in the figure, a metal rod makes contact with a partial circuit and completes the circuit. The Circuit area is perpendicular to a magnetic field with B = 0.15 T. If the resistance of the total circuit is 3Ω, the force needed to move the rod as indicated with a constant speed of 2 m s−1 will be equal to. A .
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