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an electron moves with constant speed at right angles to a uniform magnetic flux, if the flux density were doubled, the force on the electron would be

A) unaffected
B) reduced to one month
C) halved
D) doubled
E) quadrupled

3 answers

force=q*v*B, right?

i dno that's y m posting it here

F=qvB,
B1=2•B
F1 = qvB1 =qv2B =2F
D) doubled

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