The magnetic flux through a coil of wire with two loops has a charge of 88 Wb in 0.42 seconds. What is the magnitude of the emf induced in the coil?
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Let Induced emf is `epsi` ,so we can define
where N = no. of turns =2
`Deltaphi= ` change in magnetic field =88Wb
`Deltat=` change in time = .42 Sec
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