Solve 7. Solve 7. 00 Share with your friends Share 0 Decoder_2 answered this Dear Student, Please find below the solution to the asked query: E=σ e A T4 t E = 5.7×10-8 ×0.4 ×6.74× 10-5 × 25004 ×t E =60.02tEt=P=60.02watt≈60wattRegards 0 View Full Answer