 # Electrical Engineering Questions And Answers :: Electromagnetic Induction: part1 Exam2win > Engineering > Electrical Engineering > Electromagnetic Induction > part1

Electrical Engineering : Electromagnetic Induction QUESTIONS AND ANSWERS :: part1 : 1 to 5

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2021 and IES 2021 examinations :

 1.The direction of incViced e.m.f. can be found by Laplace's law Lenz's law Fleming's right hand rule Kirchhoff s voltage law ANSWER : : Lenz's law Explanation :
 2.The core of a coil has a length of 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the in ductance will be 3 mH 12 mH 24mH 48mH ANSWER : : 3 mH Explanation :
 3.Two coils have inductances of 8 mH and 18 mH and a co-efficient of coupling of 0.5. If the two coils are connected in series aiding, the total inductance will be 32 mH 38 mH 40 mH 48 mH ANSWER : : 38 mH Explanation :
 4.As per Faraday's laws of electromagnetic induction, an e.m.f. is induced in a conductor whenever it lies perpendicular to the magnetic flux lies in a magnetic field cuts magnetic flux moves parallel to the direction of the magnetic field ANSWER : : cuts magnetic flux Explanation :
 5.Which of the following is not a unit of inductance ? Henry Coulomb/volt ampere Volt second per ampere All of the above ANSWER : : Coulomb/volt ampere Explanation :

More Electromagnetic Induction QUESTIONS AND ANSWERS available in next pages

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