Electrical Engineering : Magnetic Circuit QUESTIONS AND ANSWERS :: part1 : 11 to 15
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
11.Permeability in a magnetic circuit corresponds to______ in an electric circuit. |
| resistance |
| resistivity |
| conductivity |
| conductance |
12.The relative permeability of a ferromagnetic material is |
| less than one |
| more than one |
| more than 10 |
| more than 100 or 1000 |
13.A material for good magnetic memory should have |
| low hysteresis loss |
| high permeability |
| low retentivity |
| high retentivity |
14.Permanent magnets are normally made of |
| alnico alloys |
| aluminium |
| cast iron |
| wrought iron |
15.Energy stored by a coil is doubled when its current is increased by percent. |
| 25 |
| 50 |
| 41.4 |
| 100 |
More Magnetic Circuit QUESTIONS AND ANSWERS available in next pages
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