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1. Three identical lamps are connected in series to a 12-volt battery. What is the voltage drop across each lamp? A) 2 volts B) 3 volts C) 4 volts D) 5 volts

1. Three identical lamps are connected in series to a 12-volt battery. What is the voltage drop across each lamp? A) 2 volts B) 3 volts C) 4 volts D) 5 volts

Physics for Scientists and Engineers with Modern Physics
Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter27: Direct-current Circuits
Section: Chapter Questions
Problem 45AP
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Please answer the questions below thank you. Just give the letter of the correct answer no need to give solutions. please answer 1 to 10

Multiple Choice. Select the letter of the best answer from among the given choices. 1. Three identical lamps are connected in series to a 12-volt battery. What is the voltage drop across each lamp? A) 2 volts B) 3 volts C) 4 volts D) 5 volts 2. Three 50-Q resistors are connected in series. The equivalent resistance of the combination is A) 25 Q. B) 50 0. C) 100 0 D) 150 0 3. Two resistors, R; =2.00 kN and R2 = 3.00 kN, are connected in parallel and their combination is connected in series to a fully charged, 150-uF capacitor. When the switch is opened, the capacitor begins to discharged. What is the time constant for the discharge? A) 0.16 s B) 0.17 s C) 0.18 s D) 0.19 s 4. Four 50-Q resistors are connected in parallel. The equivalent resistance of the combination is A) 50 2 B) 25 0 C) 12.5 Q. D) 6.25 0 5. How many 4-0 resistors must be connected in parallel to have a total resistance of 0.8 0? A) 3 C) 5 B) 4 D) 6 6. Four identical lamps are connected in parallel to a 6-volt battery. What is the voltage drop across each lamp? A) 6 volts B) 7 volts C) 8 volts D) 9 volts 7. What happens to the total resistance in a network when more resistors are added to a series circuit? A) increases B) decreases C) remains the same 8. Four resistors of resistances 30, 40, 50, and 60 are connected in parallel to a 12-volt source. What is the current through the 5-0 resistor? A) 1.2 A B) 1.4 A C) 2.2 A D) 2.4 A 9. In a series circuit with unequal resistances A) The smallest R has the highest V B) The largest R has the highest V. C) The smallest R has the most I. D) The largest R has the most I. 10. In a parallel circuit, the equivalent resistance is A) Always greater than any individual resistance. B) Always less than any individual resistance. C) Equal to the sum of the individual resistance. D) Equal to the sum of the reciprocals of their individual resistances.
Transcribed Image Text:Multiple Choice. Select the letter of the best answer from among the given choices. 1. Three identical lamps are connected in series to a 12-volt battery. What is the voltage drop across each lamp? A) 2 volts B) 3 volts C) 4 volts D) 5 volts 2. Three 50-Q resistors are connected in series. The equivalent resistance of the combination is A) 25 Q. B) 50 0. C) 100 0 D) 150 0 3. Two resistors, R; =2.00 kN and R2 = 3.00 kN, are connected in parallel and their combination is connected in series to a fully charged, 150-uF capacitor. When the switch is opened, the capacitor begins to discharged. What is the time constant for the discharge? A) 0.16 s B) 0.17 s C) 0.18 s D) 0.19 s 4. Four 50-Q resistors are connected in parallel. The equivalent resistance of the combination is A) 50 2 B) 25 0 C) 12.5 Q. D) 6.25 0 5. How many 4-0 resistors must be connected in parallel to have a total resistance of 0.8 0? A) 3 C) 5 B) 4 D) 6 6. Four identical lamps are connected in parallel to a 6-volt battery. What is the voltage drop across each lamp? A) 6 volts B) 7 volts C) 8 volts D) 9 volts 7. What happens to the total resistance in a network when more resistors are added to a series circuit? A) increases B) decreases C) remains the same 8. Four resistors of resistances 30, 40, 50, and 60 are connected in parallel to a 12-volt source. What is the current through the 5-0 resistor? A) 1.2 A B) 1.4 A C) 2.2 A D) 2.4 A 9. In a series circuit with unequal resistances A) The smallest R has the highest V B) The largest R has the highest V. C) The smallest R has the most I. D) The largest R has the most I. 10. In a parallel circuit, the equivalent resistance is A) Always greater than any individual resistance. B) Always less than any individual resistance. C) Equal to the sum of the individual resistance. D) Equal to the sum of the reciprocals of their individual resistances.
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