, Physics for Scientists and Engineers with Modern Physics | To move the charge from A to B an external force F of the same magnitude to the electric force but in the opposite direction |
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The resistive element 1 of the shown device is trapezoidal, giving a non-linear relationship between resistance and turn angle | The work W done by the external agent is: Figure 5 |
, Physics for Scientists and Engineers with Modern Physics.
The vertical position of the axis is fixed in the body 2 with the ring 7 below and the bolt 8 above | |
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, Physics for Scientists and Engineers with Modern Physics |