Homework Answers
A student is provided with a 12.0-V battery of negligible internal resistance and four resistors with...
A student is provided with a 12.0-V battery of negligible internal resistance and four resistors with the following resistances: 100 Ohms, 30 Ohms, 20 Ohms, and 10 Ohms. The student also has plenty of wire of negligible resistance available to make connections as desired. 1. Using all of these components, draw a circuit diagram in which each resistor has nonzero current flowing through it, but in which the current from the battery is as small as possible. 2. Using all...
4) Given the circuit below. The voltage is 5 volts and each resistor is 10 ohms....
4) Given the circuit below. The voltage is 5 volts and each
resistor is 10 ohms. The current flowing through the circuit (when
measured by an ideal ammeter) is 1 amp.
a) Show current through the circuit is 1 A.
Next, assume you put a DMM (in ammeter mode) which has a
resistance of one ohm at point A. Recalculate the equivalent
resistance of the circuit.
b) What is the current flowing through the circuit now.
This is the current...
10.5 pts Question In the following circuit use the 10 V battery to guess the initial...
10.5 pts Question In the following circuit use the 10 V battery to guess the initial direction of current flow and label current I as the current through the 5 Ohm resistor current l1 as the current through the 15 Ohm resistor, and current l2 as the current through the 20 Ohm resistor. What are three equations which can be used to determine the three currents? 5 Ohms -20 V 20 Ohms 15 Ohms 3 Ohms 30 v
A 1.5 V battery with an internal resistance of 5 Ohms is connected to a light...
A 1.5 V battery with an internal resistance of 5 Ohms is connected to a light bulb with a resistance of 20 Ohms in a simple, single-loop circuit. a) What is the current flowing in this circuit? b) What is the voltage difference across the light bulb and the internal resistor? c) Also calc the supplied power by the battery and power drops across the two resistors.
QUESTION 1 5 points Save Answer A resistor R = 2k Ohms has a voltage V...
QUESTION 1 5 points Save Answer A resistor R = 2k Ohms has a voltage V = 15 Volts. What is the current I through the resistor? Express your answer in mA. QUESTION 2 5 points Save Answer Three resistors are connected in series: R1 10k Ohms, R2 = 17k Ohms, R3 = 32k Ohms. A DC voltage source ( Volts) is connected across the three resistors. Determine the current I in mA. 7 QUESTION 3 5 points Save Answer...
1) In the circuit below the currents are named A, and lc The current direction is determined by the source (out of positive terminal) in the middle and right branches and is clockwise in the left bra...
1) In the circuit below the currents are named A, and lc The current direction is determined by the source (out of positive terminal) in the middle and right branches and is clockwise in the left branch · IA flows through R2 and R1 Is flows through R4 and Vb cflows through R3, Vc AB R2 R3 R4 R1 Vb a) Draw the circuit and show the 3 currents described above, including arrows showing the current direction. Show the voltage...
For personal use only May not be redisaributed wishouat espress permission of osegh D Kirtand (20...
For personal use only May not be redisaributed wishouat espress permission of osegh D Kirtand (20 points) In the circuit below, V, 20 V, R, 25 , R-16, and R,- 109. through R, is 0.6 A. You should be able to determine the direction of this current from the diagram. a) Label the directions of the three currents and write out three independent equations that can be used to find I, I, and V, Ohm's Law, although useful in this...
(3 points for each blank cell in table, 30 points total) The following diagram shows a...
(3 points for each blank cell in table, 30 points total) The following diagram shows a circuit of three resistors in series connected to a 9V battery. A voltmeter measures the voltage across R1 and finds that it is 2.62V. Use the resistor color coding chart and Ohm's Law to complete the table below 2. Resistor Colors Resistance (k) Voltage Across (V) Current through (mA) Circuit Element R1 R2 R3 Total 2.62 V reen-black-red-gold red-red-red-gold brown-black-orange-gold 9V 2.62 V R1...
Four resistors having resistances of 20 ohms, 40 ohms, 60 ohms, and 80 ohms are connected...
Four resistors having resistances of 20 ohms, 40 ohms, 60 ohms, and 80 ohms are connected in series across an ideal dc voltage source. If the current through this circuit is 0.50 A, what is the voltage of the voltage source? 20 V 40 V 60 V 80 V 100 V
A battery with a voltage of 16.0 V is connected to four resistors in the circuit...
A battery with a voltage of 16.0 V is connected to four resistors in the circuit shown above. The resistors are identical, each having a resistance of 8.00 ohms. What is the equivalent resistance of this set of four resistors? ohms Calculate the current through resistor C. A Which resistor has the most current through it, in this circuit? resistor A resistor B resistor C resistor D they all get equal currents, because the resistors are identical
A student is provided with a 12.0-V battery of negligible internal resistance and four resistors with the following resistances: 100 Ohms, 30 Ohms, 20 Ohms, and 10 Ohms. The student also has plenty of wire of negligible resistance available to make connections as desired. 1. Using all of these components, draw a circuit diagram in which each resistor has nonzero current flowing through it, but in which the current from the battery is as small as possible. 2. Using all...
4) Given the circuit below. The voltage is 5 volts and each
resistor is 10 ohms. The current flowing through the circuit (when
measured by an ideal ammeter) is 1 amp.
a) Show current through the circuit is 1 A.
Next, assume you put a DMM (in ammeter mode) which has a
resistance of one ohm at point A. Recalculate the equivalent
resistance of the circuit.
b) What is the current flowing through the circuit now.
This is the current...
10.5 pts Question In the following circuit use the 10 V battery to guess the initial direction of current flow and label current I as the current through the 5 Ohm resistor current l1 as the current through the 15 Ohm resistor, and current l2 as the current through the 20 Ohm resistor. What are three equations which can be used to determine the three currents? 5 Ohms -20 V 20 Ohms 15 Ohms 3 Ohms 30 v
QUESTION 1 5 points Save Answer A resistor R = 2k Ohms has a voltage V = 15 Volts. What is the current I through the resistor? Express your answer in mA. QUESTION 2 5 points Save Answer Three resistors are connected in series: R1 10k Ohms, R2 = 17k Ohms, R3 = 32k Ohms. A DC voltage source ( Volts) is connected across the three resistors. Determine the current I in mA. 7 QUESTION 3 5 points Save Answer...
1) In the circuit below the currents are named A, and lc The current direction is determined by the source (out of positive terminal) in the middle and right branches and is clockwise in the left branch · IA flows through R2 and R1 Is flows through R4 and Vb cflows through R3, Vc AB R2 R3 R4 R1 Vb a) Draw the circuit and show the 3 currents described above, including arrows showing the current direction. Show the voltage...
For personal use only May not be redisaributed wishouat espress permission of osegh D Kirtand (20 points) In the circuit below, V, 20 V, R, 25 , R-16, and R,- 109. through R, is 0.6 A. You should be able to determine the direction of this current from the diagram. a) Label the directions of the three currents and write out three independent equations that can be used to find I, I, and V, Ohm's Law, although useful in this...
(3 points for each blank cell in table, 30 points total) The following diagram shows a circuit of three resistors in series connected to a 9V battery. A voltmeter measures the voltage across R1 and finds that it is 2.62V. Use the resistor color coding chart and Ohm's Law to complete the table below 2. Resistor Colors Resistance (k) Voltage Across (V) Current through (mA) Circuit Element R1 R2 R3 Total 2.62 V reen-black-red-gold red-red-red-gold brown-black-orange-gold 9V 2.62 V R1...
A battery with a voltage of 16.0 V is connected to four resistors in the circuit shown above. The resistors are identical, each having a resistance of 8.00 ohms. What is the equivalent resistance of this set of four resistors? ohms Calculate the current through resistor C. A Which resistor has the most current through it, in this circuit? resistor A resistor B resistor C resistor D they all get equal currents, because the resistors are identical
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