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Ten important things about DC Motors or Direct Current Motor

February 2, 2018 by admin

3. In DC Motors, the direction of rotation of rotor can be determined by Fleming’s left hand rule.According to this rule when thumb, fourth finger and middle finger of the left hand are stretched in such a way that all are mutually perpendicular to each other and if the fourth finger represent the direction of […]

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Electrical Engineering Interview Questions and Answers

November 22, 2017 by admin

What is Main Difference b/w Electrical and Electronics Engineering? Why shunt capacitor bank used in substation?  Why all the voltage levels are multiples of 11 kV? What causes an electric shock, current or voltage? Why Motor rated in kW instead of kVA? How to convert KVA to KW? Why is AC considered more efficient than […]

Filed Under: Electrical Questions, Uncategorized Tagged With: Electrical Engineering Interview Questions and Answers

MCQ on Battery – 2

August 11, 2017 by admin

« Back         CONTENTS          Next »  1. In Edison cell, the negative plate is made of (A) zinc. (B) copper. (C) iron. (D) lead.  2. Which electrolyte is used in Edison cell? (A) NaOH. (B) H2SO4. (C) NaSO4. (D) KOH. 3. Which of the following cell has reversible chemical reaction? (A) Mercury oxide. (B) Silver oxide. (C) Carbon zinc. (D) Lead acid. 4. […]

Filed Under: Electrical MCQ, Uncategorized

Electric potential difference or voltage

April 9, 2017 by admin

You may have already heard that electric potential difference or voltage is an electric pressure which causes current to flow in a closed circuit. What the question is how electric pressure is created? Before understanding electric potential difference it is important to know that what electric potential is ? Electric Potential Electric potential give the idea of how […]

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