level: 1. Units Associated with Basic Electrical Quantities
Questions and Answers List
level questions: 1. Units Associated with Basic Electrical Quantities
| Question | Answer |
|---|---|
| SI Unit for Velocity | meters per second (m/s) |
| SI Unit for Acceleration | meters per second squared (m/s2) |
| The coulomb (C) | A unit of Charge |
| 1 Coulomb = | 6.24 x 10^18 electrons |
| Q = It | The quantity of electricity which flows past a given point in a circuit when a current of one ampere is maintained for one second. “I” is the current, and “t” is the time. |
| The ampere (A) is a unit of... | electric current |
| The newton (N) is a unit of... | force |
| F=ma | Total force = mass x acceleration |
| Joule (J) | Unit of work or energy: 1 joule = 1 newton metre. |
| W=Fs | Work = force x the distance |
| 1 newton (N) = | 1kgm (1kilogram metre) per second squared. |