A、an alternating
B、a rush
C、a direct
D、an exciting
更多“The current flowing first in one direction and then in another is called（） current.”相关的问题
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、at right angles to the flow of the current B、against the flow of the current C、in the same direction as the flow of the current D、over slack water
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、position and area of the current B、speed and direction toward which the current flows C、type and characteristic of the current's flow D、None of the above
A、one flowing in the same direction as your course steered B、one flowing in the opposite direction as your course steered C、one that flows at nearly right angles to your course steered D、a rotary current in which the direction of current flow constantly changes
A、The total current flow equals the sum of the individual currents B、The total current flow equals the reciprocal of the sum of the individual currents C、The total resistance equals the sum of the individual resistance D、The total voltage equals the sum of the individual voltages across each resistance
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、increases as the square of the current B、decreases as the square root of the current C、remains the same, as it is independent of current flow D、increases in direct proportion as the current
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