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1 . What is voltage?

Skip a page in your CRCT notebook. Week 30. 1 . What is voltage?. a measure of electric current a kind of static electricity a kind of current electricity a measure of potential energy difference. 2 . In a circuit, a battery is. a conductor an energy source a load an insulator.

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1 . What is voltage?

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  1. Skip a page in your CRCT notebook. Week 30 1. What is voltage? • a measure of electric current • a kind of static electricity • a kind of current electricity • a measure of potential energy difference

  2. 2. In a circuit, a battery is • a conductor • an energy source • a load • an insulator

  3. 3. What is the purpose of a switch in an electric circuit? • to change the direction of the current • to provide a push for the current • to allow the electric circuit to be opened or closed • To increase the electric power to the load

  4. 4. What types of energy does a generator convert between? • electrical to mechanical • electrical to magnetic • magnetic to electrical • mechanical to electrical

  5. 5. Tyra connects light bulbs together so that the current flowing through each light bulb is the same. Tyra made a • combination circuit. • parallel circuit. • open circuit. • series circuit.

  6. 6. An object is negatively charged when • it has more neutrons than electrons. • it has more protons than neutrons. • it has more electrons than protons. • it has more protons than electrons.

  7. 7. What will the north poles of two bar magnets do when brought together? • attract • create an electric current • repel • not interact

  8. 8. The iron fillings around the magnet are used to show • radiation. • gravitational field lines. • electric field lines. • magnetic field lines.

  9. 9. Two oppositely charged magnetic poles pressed towards each other will show • attraction. • repulsion. • a magnetic field. • gravity.

  10. 10. Which of the following could be used as the core of a simple electromagnet? • pencil • drinking straw • iron nail • aluminum foil

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