Two coils P and Q are kept near each ...

Two coils P and Q are kept near each other. When no current flows through coil P and current increases in coil Q at the rate `10 A//s`, the emf in coil P is 15 mV. When coil Q carries no current and current of `1.8 A` flows through coil P, the magnetic flux linked with the coil Q is

`1.4 mWb`

`2.2 mWb`

2.7 mWb

2.9 mWb

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