1. While comparing magnetic and electric circuits, the flux of magnetic circuit is compared with which parameter of electrical circuit? A. E.M.F. B. Current C. Current density D. Conductivity Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
2. 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 Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
3. The unit of magnetic flux is A. Henry B. Weber C. Ampere-turn/weber D. Ampere/metre Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
4. Laminated cores, in electrical machines, are used to reduce A. Copper loss B. Eddy current loss C. Hysteresis loss D. All of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board 5. Those materials are well suited for making permanent magnets which have ________ retentivity and ________ coercivity. A. Low, high B. High, high C. High, low D. Low, low Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board 1 2 3 4 5 6
4. Laminated cores, in electrical machines, are used to reduce A. Copper loss B. Eddy current loss C. Hysteresis loss D. All of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
5. Those materials are well suited for making permanent magnets which have ________ retentivity and ________ coercivity. A. Low, high B. High, high C. High, low D. Low, low Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
