Across
- 2. symbol is a circle with a cross in it
- 6. has the symbol Q in an equation
- 7. a circuit where there is a single loop of components
- 9. this is what the L in LDR stands for
- 10. its resistance decreases as temperature increases
- 11. the unit of current
- 13. a _________ resistor is one whose resistance value can be changed
Down
- 1. can be open or closed, can stop current flowing
- 3. a circuit where current can flow down more than one path
- 4. measured in amperes
- 5. makes it harder for current to flow
- 8. the unit of charge
- 12. only lets current flow through it in one direction