Physics Electricity

4. At or below _________ temperature, a conductor has no resistance or resistivity.
5. Maglev trains, high efficiency power distribution and MRI scanners are all practical applications of _____________ which is when conductors have no resistance.
9. This is the heat energy produced per second
10. Parallel branches all have the _____ potential difference
11. This component can only conduct when connected in forward bias and above a particular p.d.
12. The resistor and the thermistor are examples of _____ conductors.
13. This is the energy dissipated per second
15. The ____ of a cell can be read from the y-intercept of the V-I graph using a cell containing internal resistance.

1. The ____ of one electron is 1.6 x 10(-19) coulombs
2. In a _______ arrangement, the branch with the higher resistance takes the smaller current
3. The _________ of the IV graph shows the value of 1/resistance.
5. In a series arrangement, each component takes a proportional ________ of the total pd
6. If all components are in series, the cell has the same _________ as the resistor, the switch and the ammeter.
7. The ohmic conductor maintains the same ratio of I to V if the _____ is constant.
8. This component increases its resistance when it is cooled down.
14. When energy is transferred or dissipated, ______ is done.