Electrician Grade II – Govt Press
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#1. The value of absolute permittivity is 😕
#2. The equation for find out the energy stored in a coil is :...?
#3. The equation for find out the energy stored in a coil is :...?
#4. The Dummy coil used i-n a DC generator :...?
#5. The transformer oil used in transformer provides :...?
#6. The critical resistance of a DC shunt generator is the resistance of :...?
#7. The polarity of interpole in the case of a DC generator is :....?
#8. Which characteristic of a motor is mainly considered for its industrial application?
#9. Ward - Leonard Method of Speed control is basically a:...?
#10. In a transformer the half load copper loss is 600 w. It's full load copper loss will be :..?
600 x 4= 2400 Watt
#11. When the frequency is doubled, what are the change in eddy current and hysteresis loss :...?
H propotional to F
E propotional to Square of F
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