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Beath High School - Int 1 Physics1 Physics Ohm’s Law Questions and Answers

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Beath High School - Int 1 Physics2 1.A resistor has a voltage across it of 12 volts and a current through it of 2.5 amperes. Calculate the resistance of the resistor. resistance = voltage current 12 2.5 = 4.8 =

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Beath High School - Int 1 Physics3 2.A voltage of 6 volts is across a resistor where the current is 0.5 amperes. What is the value of the resistor? resistance = voltage current 6 0.5 = 12 =

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Beath High School - Int 1 Physics4 3.Calculate the resistance of a component when a voltage of 24 V causes a current of 0.1 amperes. resistance = voltage current 24 0.1 = 240 =

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Beath High School - Int 1 Physics5 4.If a current of 2 amperes exists through a lamp when it has 12 volts across it, what is the resistance of the lamp? resistance = voltage current 12 2 = 6 =

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Beath High School - Int 1 Physics6 5.A torch bulb is marked "6 V, 0.25 A". Calculate the resistance of the bulb. resistance = voltage current 6 0.25 = 24 =

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Beath High School - Int 1 Physics7 6.A resistor is placed in a circuit. The voltage across it and current through it are measured as 12 volts and 0.02 amperes. The resistor is now removed from the circuit and an ohmmeter connected across it. What is the reading on the ohmmeter? resistance = voltage current 12 0.02 = 600 =

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Beath High School - Int 1 Physics8 7. Find the values of the resistors in the circuit below. V 2 V2 V 0.25 A VV 3 V3 V5 V5 V R1R1 R2R2 R3R3 R 1 = V I 2 0.25 = 8 = R 2 = V I 3 0.25 = 12 = R 3 = V I 5 0.25 = 20 =

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Beath High School - Int 1 Physics9 8.A resistor of resistance 50 is placed in a circuit. The voltage across it is measured as 12 volts. What is the current in the resistor? current = voltage resistance 12 50 = 0.24 A=

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Beath High School - Int 1 Physics10 9.A 15 resistor is connected to a 9.0 V battery. What is the current in the resistor? current = voltage resistance 9 15 = 0.60 A=

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Beath High School - Int 1 Physics11 10.A 25 resistor is connected to a battery. The current in the resistor is 0.25 A. What is the voltage of the battery? voltage = current x resistance = 0.25 x 25 = 6.25 V

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Beath High School - Int 1 Physics12 11.A 480 resistor is connected to a battery. The current in the resistor is 26 mA. What is the voltage of the battery? voltage = current x resistance = 0.026 x 480 = 12.48 V

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ConcepTest 1 Series Resistors I

ConcepTest 1 Series Resistors I

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