
Basic Science : Electric Current QUESTIONS AND ANSWERS :: part1 : 11 to 15
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
11.The flow of electric current in a conductor is due to |
the Coulomb force on free electrons |
the Lorentz force on electrons |
the low resistivity of a conductor |
the potential difference across the ends of a conductor |
12.In the presence of an electric field, the free electrons |
move in the direction of the electric field |
move in all random directions |
move at a constant speed |
get accelerated in the direct of electric field |
13.In an electric field, the acceleration of an electron is |
a = mE/e |
me/E |
a = eE/m |
e/mE |
14.The direction of the conventional current corresponds to the direction in which |
negative charges flow |
positive charges flow |
Neutrons flow |
mesons flow |
15.In the absence of an electric field, the free electrons in a metal move |
in the same direction |
at a steady speed |
in opposite directions |
at random |
More Electric Current QUESTIONS AND ANSWERS available in next pages
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