67. Between the poles of an electromagnet coil is place

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67. Between the poles of an electromagnet coil is placed, connected with a ballistic galvanometer. The axis of the coil is parallel to the lines of induction. The coil resistance R1 = 4 ohms is N = 15 turns of area S = 2 cm2. R2 galvanometer resistance is 46 ohms. When the current in the coil of the electromagnet is switched off, the chain galvanometer elapsed amount of electricity Q = 90 SCLC. Calculate the magnetic induction in the field of the electromagnet.

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)


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