1-9attached to the magnet to ensure that the turning force on the coil increases steadily as the currentincreases.The meter movement as it appears when fully assembled is shown in figure 1-9.Figure 1-9.—Assembled meter movement.This permanent-magnet moving-coil meter movement is the basic movement in most measuringinstruments. It is commonly called the d’Arsonval movement because it was first employed by theFrenchman d’Arsonval in making electrical measurements. Figure 1-10 is a view of the d’Arsonval metermovement used in a meter.Figure 1-10.—A meter using d'Arsonval movement.Q7.What type of meter movement is the d’Arsonval meter movement?
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