A coil is placed in a changing magnetic field and an emf isinduced. What happens

Question

A coil is placed in a changing magnetic field and an emf isinduced. What happens to the induced emf if the rate of change ofmagnetic field quadruples? 1 a.There is no change
b.The emf doubles
c.The emf quadruples
d.The emf increases by a factor of 16
e.The emf decreases by a factor of 2
f. The emf decreases by a factor of4
g.The emf decreases by a factor of 16

A coil is placed in a changing magnetic field and an emf isinduced. What happens to the induced emf if the rate of change ofmagnetic field quadruples? 1 a.There is no change
b.The emf doubles
c.The emf quadruples
d.The emf increases by a factor of 16
e.The emf decreases by a factor of 2
f. The emf decreases by a factor of4
g.The emf decreases by a factor of 16
1 a.There is no change
b.The emf doubles
c.The emf quadruples
d.The emf increases by a factor of 16
e.The emf decreases by a factor of 2
f. The emf decreases by a factor of4
g.The emf decreases by a factor of 16
1

Explanation / Answer

E = / t = A B / t    So if  B / t quadruples  then E the induced EMF quadruples

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