Electricity
2. Rt for the following circuit is ____________ Ω.
4. Voltage available at R2 in the following circuit is ____________ volts.
Homework 5
1. The total resistance of a parallel circuit that has four 20 Ω resistors is ____________ Ω.
3. Rt for the following circuit is ____________ Ω.
R2 10 Ω
R1 5Ω
R2 20 Ω
R2 10 Ω
R3 30 Ω
12 Volts
5. In the following circuit, current flow through R1 is _____ _______ amps, and through R2 is ____________ amps.
24Volts
R1 5Ω
R1 10 Ω
R2 10 Ω
R2 15 Ω
6.
In a parallel circuit with two resistors of equal value and a total current flow of 12 amps, the value of current through each resistor is ____________ amps.
7. Three equal resistances when combined in series are equivalent to 90 Ω. Their equivalent resistance when combined in
parallel will be __________.
A. 270Ω
B. 30Ω
C. 810Ω
D. 10Ω
8.
9.
What is the formula for Kirchhoff's current for a circuit with three parallel resistors? A. IT=I1=I2=I3.
B. IT = E/R.
C. IT=I1+I2+I3.
What is the formula for two or more unlike resistors in parallel?
A. RT = E/R1.
B. RT = R1/N.
C. 1/RT = 1/R1+1/R2+1/R3
10. Twoidenticallampsareconnectedinparalleltoa12-voltsource.Thevoltageacrosseachlampis:
A. 12volts.
B. 6 volts.
C. 4 volts.
D. 2 volts.
11. Inaparallelcircuitwhichofthefollowingistrue:
A. Circuitresistancedecreasesasadditionalbranchesareadded. B. Current is equal in all parts of the circuit.
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physics electricity
H1.Calculate equivalent resistance for R1 and R2 and total resistance for the entire circuit. 2.Calculate equivalent resistance for R1 and R2 and total resistance for the entire circuit.R1,R2 equivalent resistance = ____________ Ω Total resistance = ____________ Ω+ _R1 20Ω R3 10ΩR2 30Ω 3.Five (5) identical resistors connected in parallel across a 230 V source for a large motor. The instruction manual states that the entire circuit requires 350 watts. What should be the value of each of the resistors:A. 30 ohmsB....
Three resistors, R1-2.0 Ω, R2-4.0 Ω, and R3 6.0 Ω are connected as shown in the...
Three resistors, R1-2.0 Ω, R2-4.0 Ω, and R3 6.0 Ω are connected as shown in the figure below. For Circuit 1 (left), (a) Find the equivalent resistance of the combination; t.e. Req1] in Ohms ) Find the current that passes through the combination if a potential of 8.0 V is applied to the terminals; L.e. [itot1) in Amps. (c) Find the voltage across and the current through each resistor; L.e. R1: Voltage: [VR11] V and Current: [IR11] A R2: Voltage:...
Consider the circuit shown in the figure(Figure 1). Suppose thefour resistors in this circuit have...
Consider the circuit shown in the figure(Figure 1). Suppose the
four resistors in this circuit have the values R1 = 13 Ω , R2 = 7.2
Ω , R3 = 6.2 Ω , and R4= 13 Ω , and that the emf of the battery is
E = 18 V .Part AFind the current through each resistor using the rules for
series and parallel resistors. Express your answers using two
significant figures separated by commas.I1,I2,I3,I4=______APart BFind the current through each...
For the above circuit, E1 = 3.57 V, E2 = 5.79 V. r1 = 0.591 Ω, r2 = 0.781 Ω, R1 = 41.3 Ω, R2 = 65...
For the above circuit, E1 = 3.57 V, E2 = 5.79 V.
r1 = 0.591 Ω, r2 = 0.781 Ω, R1 = 41.3 Ω, R2 = 65.1 Ω, R3 = 73.3
Ω.
a)Which equation would describe Kirchhoff's Junction Law at the
right junction?
A I1 - I2 = I3
B I1 + I2 = I3
C I1 + I3 = I2
D I1 = I2 + I3
b)Which equation would describe Kirchhoff's Loop Law for the
lower half-loop?
A E2...
How much current flows through each of the four resistors?
Consider the circuit shown in the diagram below. The battery has
a voltage V=12.0 V and the resistors have the following values.R1= 3.89 Ω ; R2= 7.78 Ω ; R3= 19.45 Ω ; R4= 11.67 ΩHow much current flows through each of the four resistors?I1 =I2 =I3 =I4 =
Review Part A Consider the circuit shown in the figure(Figure 1). Suppose the four resistors in...
Review Part A Consider the circuit shown in the figure(Figure 1). Suppose the four resistors in this circuit have the values R1-10 Ω , R2- 7.2 Ω , R3 6.4 Ω , and R-12 Ω , and that the emf of the battery is E- 18 V Find the current through each resistor using the rules for series and parallel resistors Express your answers using two significant figures separated by commas. 11,12,13,14 = Submit Figure of 1 Part B Find...
The three resistors in the figure are R1 = 25 Ω, R2 = 50 and R3...
The three resistors in the figure are R1 = 25 Ω,
R2 = 50 and R3 = 100 Ω.
A) what is the total resistance of the circuit?
B) what are the currents currents I1, I2
and I3 for a 12V battery?
show your work.
Ep 12V 三 RE R R; --
Consider the circuit below with three resistors Two resistors, R2 (10 Ω) and R3 (10 Ω)...
Consider the circuit below with three resistors Two resistors, R2 (10 Ω) and R3 (10 Ω) are connected in parallel to another resistor R1 (5 Ω). And the circuit is connected to a 20 V power supply 9. Find the equivalent resistance (R) of the circuit shown above. (3 pts) Answer 10. Find the current that goes through R1. (4 pts) Answer 11. Find the potential difference through resistors in parallel (R2 and R3). (4 pts) Answer
Current Electricity
Resistors of R1=10 ohms, R2=4 ohms, R3= 8ohms are connected up to two batteries (of a negligible resistance. E1= 20V and E2= 12VUsing Kircchoffs Law, determine the values of the unknown currents; that is, i1, i2 and i3.
Learning Goal: To learn to calculate the equivalent resistance of the circuits combining series and parallel...
Learning Goal:
To learn to calculate the equivalent resistance of the circuits
combining series and parallel connections.
Resistors are often connected to each other in electric
circuits. Finding the equivalent resistanceof
combinations of resistors is a common and important task.
Equivalent resistance is defined as the single resistance that can
replace the given combination of resistors in such a manner that
the currents in the rest of the circuit do not change.
Finding the equivalent resistance is relatively straighforward if...
Three resistors, R1-2.0 Ω, R2-4.0 Ω, and R3 6.0 Ω are connected as shown in the figure below. For Circuit 1 (left), (a) Find the equivalent resistance of the combination; t.e. Req1] in Ohms ) Find the current that passes through the combination if a potential of 8.0 V is applied to the terminals; L.e. [itot1) in Amps. (c) Find the voltage across and the current through each resistor; L.e. R1: Voltage: [VR11] V and Current: [IR11] A R2: Voltage:...
Consider the circuit shown in the figure(Figure 1). Suppose the
four resistors in this circuit have the values R1 = 13 Ω , R2 = 7.2
Ω , R3 = 6.2 Ω , and R4= 13 Ω , and that the emf of the battery is
E = 18 V .Part AFind the current through each resistor using the rules for
series and parallel resistors. Express your answers using two
significant figures separated by commas.I1,I2,I3,I4=______APart BFind the current through each...
For the above circuit, E1 = 3.57 V, E2 = 5.79 V.
r1 = 0.591 Ω, r2 = 0.781 Ω, R1 = 41.3 Ω, R2 = 65.1 Ω, R3 = 73.3
Ω.
a)Which equation would describe Kirchhoff's Junction Law at the
right junction?
A I1 - I2 = I3
B I1 + I2 = I3
C I1 + I3 = I2
D I1 = I2 + I3
b)Which equation would describe Kirchhoff's Loop Law for the
lower half-loop?
A E2...
Consider the circuit shown in the diagram below. The battery has
a voltage V=12.0 V and the resistors have the following values.R1= 3.89 Ω ; R2= 7.78 Ω ; R3= 19.45 Ω ; R4= 11.67 ΩHow much current flows through each of the four resistors?I1 =I2 =I3 =I4 =
Review Part A Consider the circuit shown in the figure(Figure 1). Suppose the four resistors in this circuit have the values R1-10 Ω , R2- 7.2 Ω , R3 6.4 Ω , and R-12 Ω , and that the emf of the battery is E- 18 V Find the current through each resistor using the rules for series and parallel resistors Express your answers using two significant figures separated by commas. 11,12,13,14 = Submit Figure of 1 Part B Find...
The three resistors in the figure are R1 = 25 Ω,
R2 = 50 and R3 = 100 Ω.
A) what is the total resistance of the circuit?
B) what are the currents currents I1, I2
and I3 for a 12V battery?
show your work.
Ep 12V 三 RE R R; --
Consider the circuit below with three resistors Two resistors, R2 (10 Ω) and R3 (10 Ω) are connected in parallel to another resistor R1 (5 Ω). And the circuit is connected to a 20 V power supply 9. Find the equivalent resistance (R) of the circuit shown above. (3 pts) Answer 10. Find the current that goes through R1. (4 pts) Answer 11. Find the potential difference through resistors in parallel (R2 and R3). (4 pts) Answer
Learning Goal:
To learn to calculate the equivalent resistance of the circuits
combining series and parallel connections.
Resistors are often connected to each other in electric
circuits. Finding the equivalent resistanceof
combinations of resistors is a common and important task.
Equivalent resistance is defined as the single resistance that can
replace the given combination of resistors in such a manner that
the currents in the rest of the circuit do not change.
Finding the equivalent resistance is relatively straighforward if...
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