a bicycle generator creates 1.5 volt at 15km/hr. the emf generated at 10km/hr is

We know that induced emf produced by the moving bicycle of radius R , when moving with velocity v, under the influence of constant magnetic field B,is given by      e = BvR, here B and R are constant. Therfore  e α v.Thus e1=1.5Volt   e2=?  v1=256ms-1   v2=259ms-1.So   e21.5=259256   or    e2=1.5×69   or  e2=1.0Volt.

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