
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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