A very small circular loop of area $\text{5}\times {\text{10}}^{-4}{\text{ m}}^{\text{2}}$ ,resistance $2\Omega$  and negligible inductance is initially coplanar and concentric with a much larger fixed circular loop of radius 0.1m.  A constant current of 1 ampere is passed in larger loop and smaller loop is rotated with a angular velocity '' $\omega rad/s$  about its diameter.  The induced emf is  ___ $\times {10}^{-9}V$