Example sentences of "be excited by a " in BNC.
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| 1 | The multi-stack variable-reluctance stepping motor is divided along its axial length into magnetically isolated sections ( " stacks " ) , each of which can be excited by a separate winding ( " phase " ) . |
| 2 | Seismic waves were excited by a vertical point impulse of 7 x10 18 dyns ( ref. 15 ) . |
| 3 | Suppose , for example , that the matrix A is the system matrix of a vibrating mechanical system , and suppose further that this system is excited by a forcing vibration of frequency corresponding to unc = |
| 4 | In his Theory of Light and Colour ( 1777 ) , he suggested that the retina of the eye contains three different kinds of particle ( elsewhere he speaks of ‘ molecules ’ or ‘ fibres ’ ) , each of which is excited by a different kind of light . |
| 5 | Each phase winding is excited by a separate drive circuit , which is controlled by a low-power " phase control signal " . |
| 6 | The phase windings of both hybrid and variable-reluctance stepping motors are electrically isolated and each phase is excited by a separate drive circuit , so it is possible to excite several phases at any time . |
| 7 | Crookes took up Faraday 's work on the passage of electricity through gases , and was excited by a passage in an early lecture of Faraday 's where he had speculated that there might be a ‘ fourth state of matter ’ simpler than the gaseous , just as gases are simpler than liquids ; they all expand alike when heated , for example . |