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What is the principle of AC motor?

Recent questions tagged low

1 answer 21 views

Name two methods for measurement of low, medium and high resistance. Give one advantage and one limitation of V- I method.

asked Sep 6, 2018 by Shimroz123
1 answer 17 views

Name the method used to measure following resistances:- (i) Low resistance (ii) Medium resistance (iii) Insulation resistance (iv) Earth resistance.

asked Sep 6, 2018 by Shimroz123
1 answer 9 views

State the range for low and medium resistance.

asked Sep 6, 2018 by Shimroz123
1 answer 36 views

Step-down transformer converts high voltage and low current into:  (A) How voltage and high current (B) High voltage and low current (C) Low voltage and high current (D) None of the above

asked May 8, 2018 in Electrical Engineering by Shimroz123
1 answer 19 views

Which of the following is the least expensive protection for over current in low voltage system?  (A) Rewireable fuse (B) Isolator (C) Oil Circuit breaker (D) Air break circuit breaker

asked May 8, 2018 in Electrical Engineering by Zeeshan
1 answer 31 views

In a 741 Op-Amp, there is 20 dB/decade fall-off starting at a relatively low frequency. This is due to the (A) applied load (B) internal compensation (C) impedance of the source (D) power dissipation in the chip

asked Apr 26, 2018 in Electronics Engineering by Shimroz123
1 answer 39 views

Accurate measurement of very low resistances is possible with (A) Megger (B) Wheatstone Bridge (C) Kelvin’s Double Bridge (D) Wagner’s Earthing Device

asked Apr 25, 2018 in Electrical Measurements and Instrumentation by Shimroz123
1 answer 47 views

At very low frequencies a series R-C circuit behaves as almost purely?

asked Mar 25, 2018 in Electrical Engineering by Shimroz123
1 answer 49 views

In an AC. circuit, a low value of kVAR compared with kW indicates?

asked Mar 25, 2018 in Electrical Engineering by Shimroz123
1 answer 14 views

The efficiency of a transformer, under heavy loads, is comparatively low because?

asked Mar 19, 2018 in Transformer by Shimroz123
1 answer 78 views

What is the definition of extra low voltage?

asked Mar 10, 2018 in High voltage engineering by Quiz
0 answers 63 views

What is the difference between a line voltage and low voltage control system?

asked Mar 10, 2018 in High voltage engineering by Quiz
0 answers 20 views

What is considered low voltage and high voltage?

asked Mar 10, 2018 in High voltage engineering by Quiz
1 answer 65 views

At which time power factor of the induction motor is low?

asked Mar 3, 2018 in Electrical Machine by Quiz
2 answers 15 views

write short notes on Low-pass filter.

asked Oct 28, 2017 in Electronics Engineering by Quiz
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