1-7.pdf - 50 TOP MAGNETIC CIRCUIT Multiple Choice Questions...

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2/5/2018 50 TOP MAGNETIC CIRCUIT Multiple Choice Questions and Answers Pdf 1/10 Home » Electrical Engineering Multiple Choice Questions » 50 TOP MOST MAGNETIC CIRCUIT – Electrical Engineering Multiple Choice Questions and Answers 50 TOP MOST MAGNETIC CIRCUIT – Electrical Engineering Multiple Choice Questions and Answers Posted on July 19, 2017 by engineer 10 Comments MAGNETIC CIRCUIT Multiple Choice Questions with Answers :- 1. An air gap is usually inserted in magnetic circuits to (a) increase m.m.f. (b) increase the flux (c) prevent saturation Engineering interview questions,Mcqs,Objective Questions,Class Notes,Seminor topics,Lab Viva Pdf free download. CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical Online Quiz Tests for Freshers. HOME Interview Questions MCQs *LAB VIVA CLASS NOTES SEMINAR TOPICS ONLINE TEST SSC CGL GATE CAT
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2/5/2018 50 TOP MAGNETIC CIRCUIT Multiple Choice Questions and Answers Pdf 2/10 (d) none of the above Ans: c 2. The relative permeability of a ferromagnetic material is (a) less than one (b) more than one (c) more than 10 (d) more than 100 or 1000 Ans: d 3. The unit of magnetic flux is (a) henry (b) weber (c) ampereturn/weber (d) ampere/metre Ans: b 4. Permeability in a magnetic circuit corresponds to______ in an electric circuit. (a) resistance (b) resistivity (c) conductivity (d) conductance Ans: c 5. Point out the wrong statement. Magnetic leakage is undesirable in electric machines because it (a) lowers their power efficiency (b) increases their cost of manufacture (c) leads to their increased weight (d) produces fringing Ans: a 6. Relative permeability of vacuum is (a) 1 (b) 1 H/m (c) 1/4JI (d) 4n x 10-‘ H/m Ans: a Custom Engineering Questions Facebook Find us on Google Plus Engineering in 690 followers Follow Recent Comments
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2/5/2018 50 TOP MAGNETIC CIRCUIT Multiple Choice Questions and Answers Pdf 3/10 7. Permanent magnets are normally made of
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  • Fall '18
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  • Magnetic Field, Engineering Multiple choice, CIRCUIT Multiple Choice

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