Electricity

Gap-fill exercise

  
Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
1. Electricity deals with the flow of electric through a conductor.
2. As a common term electricity refers to a form of .
3. The motion of electric charges (electrons) through a conductor (e.g. copper wire) will constitute an electric .
4. the electric current passes from the terminal (higher electric potential) of a battery to the terminal (lower electric potential) through a wire.
5. Th e SI unit of electric current is .
6. An electric circuit is a conducting loop (or) path, which has a network of electrical components through which electrons are able to flow.
7. By convention, the direction of current is taken as the direction of flow of positive charge (or) to the direction of flow of electrons.
8. The at a point is defined as the amount of work done in moving a unit positive charge from infinity to that point against the electric force.
9. The SI unit of electric potential or potential difference is .
10. According to Ohm’s law, at a constant , the steady current ‘I’ flowing through a conductor is directly proportional to the potential difference ‘V’ between the two ends of the conductor.