7. In the induction motor, the good power factor can be achieved if the average flux density in the air gap is? (a) abse

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7 In The Induction Motor The Good Power Factor Can Be Achieved If The Average Flux Density In The Air Gap Is A Abse 1 (43.5 KiB) Viewed 65 times

7. In the induction motor, the good power factor can be achieved if the average flux density in the air gap is? (a) absent (b) small (c) large .(d) infinity 8. Find the frequency of the rotor e.m.f, if the frequency of the three-phase induction motor is 50 Hz and slip is of 4%? .(a) 200 Hz (b) 50 Hz .(c) 2 Hz .(d) 0.2 Hz 9. What happens when Induction motor runs at synchronous speed, motor will answer choices • Burn • Stop • Delivers Real Power • Delivers reactive power 10. Starting Currents of 3-Phase Induction Motor is about times of the full load current: answer choices Half 2 to 3 5 to 7 10 to 20