CIRCUITS WORKSHEET , Assignments of Physics

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2020/2021

Uploaded on 05/28/2021

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CIRCUITS WORKSHEET
1. Determine the equivalent (total) resistance for each of the following circuits below.
1.2 7 14
2. Determine the total voltage (electric potential) for each of the following circuits below.
13V 12V
3. Fill out the table for the circuit diagramed at the right.
Circuit
Position Voltage (V) Current (A) Resistance (Ω))
1 1.0 0.10 10.0
2 2.0 0.10 20.0
3 3.0 0.10 30.0
Total 6.00 0.10 60
4. Fill out the table for the circuit diagramed at the right.
Circuit
Position Voltage (V) Current (A) Resistance (Ω))
1 6.00 0.60 10.0
2 6.00 0.30 20.0
3 6.00 0.20 30.0
Total 6.00 1.1 5.45
5. Fill out the table for the circuit diagramed at the right.
Circuit
Position Voltage (V) Current (A) Resistance (Ω))
1 2.7 0.27 10.0
2 3.3 0.165 20.0
3 3.3 0.11 30.0
Total 6.00 0.27 22
Questions 6 and 7 refer to the following:
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CIRCUITS WORKSHEET

  1. Determine the equivalent (total) resistance for each of the following circuits below. 1.2 7 14
  2. Determine the total voltage (electric potential) for each of the following circuits below. 13V 12V
  3. Fill out the table for the circuit diagramed at the right. Circuit Position Voltage (V) Current (A) Resistance (Ω)) 1 1.0 0.10 10. 2 2.0 0.10 20. 3 3.0 0.10 30. Total 6.00 0.10 60
  4. Fill out the table for the circuit diagramed at the right. Circuit Position Voltage (V) Current (A) Resistance (Ω)) 1 6.00 0.60 10. 2 6.00 0.30 20. 3 6.00 0.20 30. Total 6.00 1.1 5.
  5. Fill out the table for the circuit diagramed at the right. Circuit Position Voltage (V) Current (A) Resistance (Ω)) 1 2.7 0.27 10. 2 3.3 0.165 20. 3 3.3 0.11 30. Total 6.00 0.27 22 Questions 6 and 7 refer to the following:

The diagram to the right represents an electric circuit consisting of four resistors and a 12-volt

  1. What is the equivalent resistance of the circuit shown? 3
  2. What is the current measured by ammeter A shown in the diagram? 2A
  3. A 6.0-ohm lamp requires 0.25 ampere of current to operate. In which circuit below would the lamp operate correctly when switch S is closed? It would only operate in C. In A and D, closing the switch would introduce a pathway of zero resistance. ALL of the current would go down the path of no resistance leaving NO current passing through the lamp (the circuit would be short circuited). In B, once the switch was closed and the circuit included the battery, ALL of the current would go down the path of no resistance leaving no current passing through the lamp (short circuit). Questions 9 and 10 refer to the following: A 50.-ohm resistor, an unknown resistor R , a 120-volt source, and an ammeter are connected in a complete circuit. The ammeter reads 0.50 ampere.
  4. Calculate the equivalent resistance of the circuit shown. 240
  5. Determine the resistance of resistor R shown in the diagram. 190 Questions 11 through 13 refer to the following: A 3.0-ohm resistor, an unknown resistor, R , and two ammeters, A 1 and A 2 , are connected as shown below with a 12-volt source. Ammeter A 2 reads a current of 5.0 amperes.
  1. A 110-V household circuit that contains an 1800-W microwave, a 1000-W toaster, and an 800-W coffeemaker is connected to a 20-A fuse. Determine the current. Will the fuse melt if the microwave and the coffeemaker are both on? I=23.6 A so fuse will melt
  2. A 35-, 55-, and 85-and 225 resistor are connected in parallel. The resistors are then connected to a 35-V battery. a. What is the equivalent resistance of the parallel combination? 17 b. What is the current through each resistor? I35=1.0 I55=0.64 I85=0.41 A
  3. Resistors R 1 , R 2 , and R 3 have resistances of 15.0 , 9.0 , and 8.0 and 225 respectively. R 1 and R 2 are connected in series, and their combination is in parallel with R 3 to form a load across a 6.0-V battery. a. Draw the circuit diagram. b. What is the total resistance of the load?
    c. What is the current in R 3? 0.75 A d. What is the potential difference across R 2? 2.3 V
  4. A 15.0-and 225 resistor is connected in series to a 120-V generator and two 10.0- resistors that are connected in parallel to each other. a. Draw the circuit diagram. b. What is the total resistance of the load?
    c. What is the magnitude of the circuit current? 6.0 V d. What is the current in one of the 10.0-resistors? 3.0 A e. What is the potential difference across the 15.0-and 225 resistor? 90 V