A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 898
ft iron instrumentis shown in Fig. 809. An oval-shapedpiece of soft iron sheet A is pivoted ata point to the left of the axis of thesolenoid carrying the current. When the current flows, the soft iron is magnetised in such a manner that the force between it and the coil tends to draw the iron into… … Fig. 809.—Soft iron ammeter. 874 MAGNETISM AND ELECTRICITY chap. is not circular but is flat, just sufficient clearance for tbe soft ironsheet A being allowed. In the soft iron instruments, the current passes directly throughthe solenoid, no shunt being used. For heavy currents, a few turnsof thick…
Physics
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