Basic Science : Electric Current QUESTIONS AND ANSWERS :: part1 : 16 to 20
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
16.The expression for the electric current is |
| nAvde/m |
| nAvdE/m |
| nAvde |
| nAvdE |
17.In the presence of an electric field, the free electrons get deflected in different directions due to |
| external field |
| nuclear forces |
| random forces |
| coulomb forces |
18.The electric current I is related to Q and t as |
| I = Qt |
| I = t/Q |
| I = Q/t |
| I = Qt2 |
19.The current is called a steady current when |
| the electrons flow in the same direction |
| the number of electrons in the flow is constant |
| the electrons flow in all directions |
| the rate of flow of electrons is constant |
20.The average relaxation time is |
| the time during which the electrons relax in between collisions |
| the time over which the electrons get accelerated |
| the time taken for scattering |
| the time taken for deflection |
More Electric Current QUESTIONS AND ANSWERS available in next pages
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