Chapter 20 - Electromagnetism - 3


1. Left hand rule, to determine the direction of force on the conductor was given by the scientist.




2. The number of magnetic lines of force passing through a certain surface is known as the




3. A transformer has 100 turns in its primary coil and 500 in the secondary. If 6 volts DC is applied across its primary, the voltage induced across its secondary would be




4. Match the column...............................conductor




5. Match the column...............................number of turns




6. Match the column...............................lines of force




7. Match the column...............................polarity of a magnet




8. Match the column...............................direction of force




9. Match the column...............................two equal but opposite forces




10. Match the column...............................supply of current




11. Match the column...............................generation of emf




12. Match the column...............................value of the induced emf




13. Match the column...............................right




14. Match the column...............................perpendicular to plane




15. Match the column...............................curling the fingures




16. Match the column...............................fleming left hand rule







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