A magnetic field is directed perpendicular to the plane of a 0.15-m × 0.30-m rectangular coil consisting of 240 loops of wire. To induce an average emf of -2.5 V in the coil, the magnetic field is increased from 0.1 T to 1.8 T during a time interval $\Delta$t. Determine $\Delta$t.
A)0.053 s
B)0.13 s
C)12 s
D)6.4 s
E)7.3 s

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The Answer of A magnetic field is directed perpendicular to the plane of a 0.15-m × 0.30-m rectangular coil consisting of 240 loops of wire. To induce an average emf of -2.5 V in the coil, the magnetic field is increased from 0.1 T to 1.8 T during a time interval $\Delta$t. Determine $\Delta$t.
A)0.053 s
B)0.13 s
C)12 s
D)6.4 s
E)7.3 s

A Magnetic Field Is Directed Perpendicular to the Plane of a 0.15-M