Physics of Everyday Phenomena

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Presentation transcript:

Physics of Everyday Phenomena W. Thomas Griffith Juliet W. Brosing Chapter 13 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

Question 13.1 Which of the three arrangements shown below will light the bulb?

Question 13.2 Electrical current is A) the same as electrical charge. B) the charge per unit time. C) the product of charge and time. D) the product of charge and potential difference.

Question 13.3 Water flowing in a pipe is similar to electric current flowing in a circuit. Which concept in the water flow system is analogous to the charge in an electric circuit? a) Pump b) water c) valve d) pressure

Question 13.4 Water flowing in a pipe is similar to electric current flowing in a circuit. Which concept in the water flow system is analogous to the battery in an electric circuit? a) Pump b) water c) valve d) pressure

Question 13.5 Resistances connected in series all have A) the same current. B) the same potential difference. C) different currents. D) the same charge.

Question 13.6 Resistances connected in parallel all have A) the same current. B) the same potential difference. C) different voltages. D) the same charge.

Question 13.7 The correct way to connect an ammeter and a voltmeter to make measurements of a circuit element is A) both should be in parallel with the circuit element B) both should be in series with the circuit element C) an ammeter is always in series with the circuit element and a voltmeter is always in parallel with the circuit element D) an ammeter is always in parallel with the circuit element and a voltmeter is always in series with the circuit element

Question 13.8 Household circuits are wired in parallel. Adding more appliances to a parallel circuit increases the voltage sent to each appliance. decreases the current sent to each appliance increases the current drawn from the circuit but does not change the current to each appliance.

Question 13.9 Which of the two signs shown below would indicate the greatest danger? A B

Answer Key to Chapter 13 C B A B C