HSC Science (Electronics) 12th Board ExamMaharashtra State Board
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Solution - A Meter Gauge Train is Heading North with Speed 54 Km/Hr in Earth'S Magnetic Field 3 X 10-4t. the E.M.F. Induced Across the Axle Joining the Wheels is - HSC Science (Electronics) 12th Board Exam - Physics

Question

A meter gauge train is heading north with speed 54 km/hr in earth's magnetic field 3 x 10-4T. The e.m.f. induced across the axle joining the wheels is ..........

(a) 0.45 mV

(b) 4.5 mV

(c) 45 mV

(d) 450 m V

Solution

(b) 4.5 mV

e = vlb

`= 54 xx 5/18 xx 1 xx 3 xx 10^(-4)`

`= 45 xx 10^(-4) = 4.5 mV`

Is there an error in this question or solution?

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Reference Material

Solution for question: A Meter Gauge Train is Heading North with Speed 54 Km/Hr in Earth'S Magnetic Field 3 X 10-4t. the E.M.F. Induced Across the Axle Joining the Wheels is concept: null - Magnetic Properties of Materials. For the courses HSC Science (Electronics), HSC Science (General) , HSC Science (Computer Science)
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