A、magnetic shield
B、electromagnet
C、piezoelectric device
D、electromagnetic domain
更多“A direct current passing through a wire coiled around a soft iron core is the description of a simple（）.”相关的问题
A、A.alternating current B、B.omnidirectional current C、C.direct current D、D.sinusoidal current
A、velocity of current in knots B、direction from which the current folws C、estima ed current D、direction toward which the current flows
A、A.velocity of current in knots B、B.direction from which the current flows C、C.estimated current D、D.direction toward which the current flows
A、speed of the current at a particular time B、maximum speed of the current C、direction from which the current flows D、direction in which the current flows
A、A.speed of the current at a particular time B、B.maximum speed of the current C、C.direction from which the current flows D、D.direction in which the current flows
A、its velocity in knots B、direction from which it flows C、estimated current D、direction toward which it flows
A、create large waves in the direction of the current B、change direction 360°during a 24 hour period C、remain fairly constant in direction and velocity throughout the year D、are characterized by a light green color
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