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A coil of wire enclosing an area of 100c...

A coil of wire enclosing an area of `100cm^(2)` is placed at an angle of `70^(@)` with a magnetic field B to `10^(-1) Wbm^(-2)`. What is the flux through the coil? B is reduced to zero in `10^(-3)`sec. What e.m.f. is induced in the coil?

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0.94V
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Knowledge Check

  • A coil of area 0.4m^(2) has 100 turns. A magnetic field of 0.04 Wb m^(-2) is acting normal to the coil surface. If this magnetic field is reduced to zero in 0.01 s, then the induced emf in the coil is

    A
    160V
    B
    250 V
    C
    270 V
    D
    320 V
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