Perpendicular lines induce a uniform magnetic field induction of 0.1 mT on two parallel conductors moves without friction bridge length of 20 cm. With the closure of the circuit containing the bridge, there is a current of 0.01 A. To determine the speed of the web. Circuit resistance of 0.1 ohms.
Detailed solution shorthand terms, formulas and laws used in the decision, the withdrawal of the calculation formula and the response.
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