Q.121 The eddy current loss is directly proportional to the ____ of the material. A. area B. volume C. thickness D. laminations Ans.: B Q.122 Eddy current loss is directly proportional to the ___ of maximum Read More …
Month: February 2019
Basic Electrical Engineering MCQ_63(Electromagnetism)
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Basic Electrical Engineering MCQ_62_1(Electromagnetism)
Q.106____ is defined as the property which is responsible for the induced emf in one coil due to change in current flowing through some other coil placed nearby it. A. Coefficient of coupling B. Magnetic coupling coefficient Read More …
Basic Electrical Engineering MCQ_62(Electromagnetism)
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Basic Electrical Engineering MCQ_61_1(Electromagnetism)
Q.1 The direction of induced emf produced sue to the process of electromagnetic induction is always such that it will set up a current to oppose the basic cause responsible for inducing the emf. This statement is give by___. Read More …
Basic Electrical Engineering MCQ_61_1(Electromagnetism)
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Basic Electrical Engineering MCQ_60_1(Earthing)
Q.1 Which of the following information is necessary to obtain for design of substation earthing grid for substation? A. maximum earth fault current, fault clearing time B. Area covered by the substation C. Resistivity of the soil Read More …
Basic Electrical Engineering MCQ_60(Earthing)
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Basic Electrical Engineering MCQ_59(Earthing)
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Basic Electrical Engineering MCQ_59_1 (Earthing)
Q.1 soil resistivity is expressed in___. A. Ohm-meter B. Ohm/ meter C. Ohm D. meter/ohm Ans.: A Q.2 The two main factors which influence the soil resistivity value are the ___and ____. A. porosity of Read More …