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Download 1. Match the symbol with the correct term.
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Transcript
Name: _______________________ Date: ______________ 1. Match the symbol with the correct term. 2. Fill in the blank using the terms from the word bank. Terminals Current Conductor Neutrons Protons Electrons Parallel Battery Insulator A. Electricity is the flow of __________. B. A _____________ is an example of a voltage source. C. ___________ are positively charged particles. D. Atoms are made out of protons, electrons, and ____________. E. Batteries have two _____________. One is positive and one is negative. F. A ____________ circuit has multiple loops. G. ____________ is the flow of electrical charge in a circuit. H. A _____________ is a material that allows current to flow through it. I. The outside of a wire is covered by rubber which acts as an _____________. This means that the rubber does not conduct electricity. Multiple choice section : Circle the answer that is most correct. 3. Which of these shows Ohm’s Law? A. V = I ÷ R B. V = I x R C. I = V x R 4. Rivka made a circuit. She measured the current to be 2 amperes and the resistance to be 4 Ω. Can you use Ohm’s law to calculate the voltage? A. 12 Amperes B. 2 Volts C. 8 Volts D. 6 Volts 5. To increase the amount of current in a circuit, you can A. Increase the resistance B. Decrease the voltage C. Increase the voltage D. You can’t change the current in a circuit 6. Which circuit will work? A. B. C. 7. Which circuit has some of its resistors in parallel? A. B. C.
