FIND CURRENT AND POWER USED BY R1

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Presentation transcript:

FIND CURRENT AND POWER USED BY R1 1. CONST 150 HOMEWORK#1 R1= 10KΩ 10V FIND CURRENT AND POWER USED BY R1 SHOW ALL WORK

FIND VOLTAGE AND POWER USED BY R1 SHOW ALL WORK I=5mA 2. CONST 150 HOMEWORK#1 R1 10V FIND VOLTAGE AND POWER USED BY R1 SHOW ALL WORK I=5mA

FIND TOTAL POWER USED BY THE 50Ω RESISTOR SHOW ALL WORK. I=200mA 3. CONST 150 HOMEWORK#1 R1= 50Ω 10V FIND TOTAL POWER USED BY THE 50Ω RESISTOR SHOW ALL WORK. I=200mA

CONST 150 HOMEWORK#1 4. FIND THE POWER USED BY THIS 8Ω SPEAKER WHICH IS POWERED BY A 20VDC BATTERY. SHOW ALL WORK

5. CONST 150 HOMEWORK#1 Three resistors are connected to a 10-V battery as shown in the diagram above. What is the current through the 2.0 Ω resistor? 0.25 A 0.50 A 1.0 A 2.0 A 4.0 A SHOW ALL WORK

all dissipate the same power CONST 150 HOMEWORK#1 6. A 100 Ω, 120 Ω, and 150 Ω resistor are connected to a 9-V battery in the circuit shown above. Which of the three resistors dissipates the most power? the 100 Ω resistor the 120 Ω resistor the 150 Ω resistor both the 120 Ω and 150 Ω all dissipate the same power

CONST 150 HOMEWORK#1 7. IT=I1=I2+I3 FIND I2,I3 ,RT SHOW WORK

8. CONST 150 HOMEWORK#1 HOW MUCH WILL IT COST TO RUN A 100W INCANDESCENT LIGHT BULB FOR 30 DAYS ? YOU ARE BILLED AT 3¢ PER KILOWATT-HOUR. HOW MUCH WILL IT COST TO RUN A EQUIVALENT 10W LED LIGHT BULB FOR 30 DAYS ?