Across
- 4. This slows down the current in a electrical circuit.
- 7. This component's circuit symbol is drawn as an empty rectangle with an arrow pointing through it diagonally.
- 8. When a circuit has a single loop, this is called a .............. circuit.
- 10. This component's circuit symbol is drawn as a circle with an X inside it.
- 11. This type of transformer will ........-......... the voltage from low to high.
- 16. When looking at magnetic field lines in a laboratory, a physicist can use plotting ..................... around a bar magnet to draw the field lines.
- 18. If a component has a fixed value of resistance, it is said to obey Ohm's ..................
- 20. When two objects are oppositely charged, they will ...............
- 22. These have a north and a south pole.
- 24. This is the unit of time.
- 25. When looking at magnetic field lines in a laboratory, a phycisist can sprinkle ............ filings around a bar magnet to show the field lines.
- 26. This component's circuit symbol is drawn as an empty rectangle.
- 29. This is the unit of power.
- 30. This is created when charges flow around an electrical circuit.
- 31. The Earth's core is magnetic, which generates a magnetic ............. around the Earth.
Down
- 1. This is the unit of work done (or energy).
- 2. This provides the push in an electrical circuit.
- 3. When two objects are the same charge, they will ...............
- 5. In a series circuit, the voltage of each component will .......... up to the voltage of the power supply.
- 6. When a circuit has more than one loop, or several branches, this is called a .............. circuit.
- 8. This type of transformer will ........-......... the voltage from high to low.
- 9. This particle, found around the nucleus of atoms, has a negative charge.
- 12. When an object gains electrons, it gains a ............... charge.
- 13. This type of electricity is created when pairs of objects lose or gain electrons.
- 14. This is the unit of voltage
- 15. This is the unit of current
- 17. In a parallel circuit, the current will ............ along each branch.
- 19. This is used to measure current in an electrical circuit.
- 21. Protons and electrons have these, neutrons do not have this .
- 23. When an object loses electrons, it gains a ............... charge.
- 27. This is the unit of resistance.
- 28. When plotting the graph of voltage against current for a fixed resistor, the line that is drawn will be a ................ line.
- 30. This is the unit of charge.
