Basic Science : Electric Current QUESTIONS AND ANSWERS :: part1 : 6 to 10
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
6.The electromotive force |
| is a force |
| is work done |
| produces free electrons |
| is an electric field produced by current flow |
7.The maximum speed of free electrons in metal is of the order of |
| 109 cm/s |
| 107 cm/s |
| 106 m/s |
| 105 cm/s |
8.The electric current is due to |
| random motion of electrons |
| drift velocity of electrons |
| Coulomb force between electrons and proton |
| repulsive force between free electrons and other electrons in an atom |
9.The external force that makes the free electrons to move in a conductor is |
| magnetic force |
| Lorentz force |
| Coulomb’s force |
| electromotive force |
10.The electric current in a conductor is measured based on |
| the number of free electrons available |
| the rate of flow of electrons |
| the quantity of charge flow |
| resistance of the conductor |
More Electric Current QUESTIONS AND ANSWERS available in next pages
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