Physics Questions And Answers :: Electric Current: part1



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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