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**1. A very large loop of metal wire with radius 1meter is driven with a linearly increasing current at a rate of 200amps/second . A very small metal wire loop with radius 5centimeter is positioned a small distance away with its center on the same axis (the loops are coaxial). The small loop experiences an induced emf of 983nV . What is the separation of the loops in meters**

## Homework Equations

**3. I tried to use Biot-Savart law to find the produced B but it is not right because of the increasing current,**

Could you explain me the equations to use?

Thanks.

Could you explain me the equations to use?

Thanks.