Basic Science : Electric Current QUESTIONS AND ANSWERS :: part1 : 1 to 5
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
1.The drift velocity of the electrons is given by Vd = |
| Ee τ2 |
| e/m. τ |
| Ee/ τ. m |
| eE/m. τ |
2.The current through a conductor, I is equal to |
| nAeE τ/m |
| nAe2E τ/m |
| nAe2E τ/n |
| nAeE τ/n |
3.The electron current and the conventional current |
| flow in the same direction |
| flow in the opposite direction |
| do not coexist |
| coexist |
4.The number of electrons flowing per second that makes a current of I ampere is |
| 6.25 109 |
| 6.25 107 |
| 6.25 1010 |
| 6.25 1018 |
5.The drift velocity of an electron is the velocity |
| super imposed on random motion |
| in the absence of electric field |
| due to magnetic field |
| in the direction of electric field |
More Electric Current QUESTIONS AND ANSWERS available in next pages
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