Circuits

3. Name for highly ordered structure of ions/atom cores inside a metal
7. Cs^-1
8. n (6,7,7)
11. Quantity with SI Unit Ωm
13. Example of a semiconductor material
17. Resistance of a semiconductor _________________ with temperature
18. Medical application for superconductor
20. Conservation of what quantity means that sum of emfs = sum of potential differences in a series circuit?
21. SI unit for current
22. SI unit for charge
23. SI unit for resistance
24. Energy transferred per coulomb from some other form to electrical potential energy (3)
25. Resistance of a metal _______________ with temperature
27. Energy transferred per second
28. Name given to point at which resistance of a conductor drops to zero

1. What occurs between free electrons and the metal lattice to cause resistance?
2. Ratio of potential difference to current
4. Ohm’s Law: I and V are proportional provided ________________ is constant
5. Conservation of what quantity means that current flowing towards a junction = current flowing away?
6. -Ir (4,5)
9. -273.15oC (8,4)
10. Energy transferred per coulomb from electrical potential energy to some other form (9,10)
12. Ideal resistance for a voltmeter
14. Instrument used to measure resistance
15. Another name for free electrons
16. Definition of electrical current (4,2,4,2,6)
19. Ideal resistance for an ammeter
26. JC^-1