Q.9.In a model generator, a 510-turn rectangular coil 0.083 m by 0.26 m rotates

Question

Q.9.In a model generator, a 510-turn rectangular coil 0.083 m by 0.26 m rotates with an angular frequency of 12.3 rad/s in a uniform magnetic ?eld of 0.63 T.What is the maximum emf induced in the coil? Answer in units of V. Q.11.A transformer on a pole near a factory steps the voltage down from 2000 V to 160 V. The transformer is to deliver 1000 kW to the factory at 94 % e?ciency. Find the power delivered to primary. Answer in units of kW Q.12.Find the current in primary A. Answer in units of A. Q.13. Find the current in secondary. Answer in units of A.

Explanation / Answer

9) (510)(0.63)(12.3)(0.083*0.26)sinwt sinwt=1 so (510)(0.63)(12.3)(0.083*0.26) = 85.283 v 11) P? = ?

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