Laboratory exercises to accompany Carhart and Chute's First principles of physics (1913)
Fuller, Robert W. (Robert Warren), 1871-1953, Brownlee, Raymond B. (Raymond Bedell), b. 1877 joint author, Carhart, Henry Smith, 1844- First principles of physics. [from old catalog] · Boston, Allyn and Bacon · leaf 297
polarityas in (a). Does the presence of an iron core change therelation between the direction of the current around the mag-net and the location of the poles? Test the strength of the electromagnet by pushing oneend into a box of brads, and then closing the circuit andremoving the magnet with the… … THE ELECTROMAGNET 283 (<?) Determine the number of brads which can be pickedup by the coil with the larger number of turns and theiron core (Fig. 104, i?), and record. Count the number ofturns on each of the three coils. How is the strength of anelectromagnet affected by the number of turns of…
Physics
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