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ConceptElectromagnetic Induction

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#### Question

A line charge λ per unit length is lodged uniformly onto the rim of a wheel of mass *M *and radius *R*. The wheel has light non-conducting spokes and is free to rotate without friction about its axis (Fig. 6.22). A uniform magnetic field extends over a circular region within the rim. It is given by,

**B **= − B_{0} **k **(*r *≤ *a*; *a *< *R*)

= 0 (otherwise)

What is the angular velocity of the wheel after the field is suddenly switched off?

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#### Reference Material

Solution for question: A Line Charge λ per Unit Length is Lodged Uniformly onto the Rim of a Wheel of Mass M And Radius R. the Wheel Has Light Non-conducting Spokes and is Free to Rotate Without Friction About Its Axis concept: Electromagnetic Induction. For the courses CBSE (Arts), CBSE (Commerce), CBSE (Science)