| 单词 |
resistance box |
| 释义 |
Resistance box
| (Elec.) | a rheostat consisting of a box or case containing a number of resistance coils of standard values so arranged that they can be combined in various ways to afford more or less resistance. |
See also: Resistance
resistance box
resistance box[ri′zis·təns ‚bäks] (electricity) A box containing a number of precision resistors connected to panel terminals or contacts so that a desired resistance value can be obtained by withdrawing plugs (as in a post-office bridge) or by setting multicontact switches. |
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