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3. A circuit has a 24VDC power source and a lamp with a resistance of 1202....
3. A household wiring circuit consists of a voltage source (ac power from the electric company)...
3. A household wiring circuit consists of a voltage source (ac power from the electric company) connected across many loads (resistances) in parallel. (a) Draw a circuit diagram showing the voltage source and three loads-for example, a lightbulb, a clock, and a TV set. (b) The diagram should have several loops. Are Kirchhoff s rules needed to analyze the current through each load? Explain.
ELT 103 Final Exam Spring 2019 1. A series-parallel circuit is: a. typically combination of series banks and parallel strings c always a combination of series banks in parallel e. always a combinatio...
ELT 103 Final Exam Spring 2019 1. A series-parallel circuit is: a. typically combination of series banks and parallel strings c always a combination of series banks in parallel e. always a combination of parallel banks in series. d. usually a combination of series strings and parallel banks. 2. When analyzing resistance in a series-parallel circuit, you start: a. anywhere in the circuit. / b. at the source. c. at the farthest resistor from the source. d. in any parallel...
4 AAA batteries are connected in parallel to build one single power source. Each battery has...
4 AAA batteries are connected in parallel to build one single power source. Each battery has a voltage of 1.5 V and and internal resistance r = 0.15 Ω. a. Draw a schematic of the built power source. b. What is the (open circuit) voltage of this power source? c. What is the internal resistance of this power source resistance? d. What is the maximum current that can be drawn from this power source (hint: this value won’t be attained...
A. Draw the complex circuit described below A 12 volt emf source connected in series with...
A. Draw the complex circuit described below A 12 volt emf source connected in series with R1 (3Ω) , in series R1 there are R2 (2Ω) and lamp 1 (4Ω) which are in parallel with each other. Connected in series with that parallel loop is another parallel loop, which includes on one branch , R3 (5Ω), R4 (2Ω) and Lamp 2 (3Ω) in series, and on the other branch of this parallel loop is R5 (7Ω), After that parallel branch...
A power supply has an open-circuit voltage of 41.0 V and an internal resistance of 2.00...
A power supply has an open-circuit voltage of 41.0 V and an internal resistance of 2.00 Ω. It is used to charge two storage batteries connected in series, each having an emf of 7.00 V and internal resistance of 0.300 Ω. The charging current is to be 3.30 A. (a) What additional resistance should be added in series? Ω (b) At what rate does the internal energy increase in the supply? W (c) At what rate does the internal energy...
1. Does the resistance of the WHOLE circuit increase, decrease, or stay the same when additional...
1. Does the resistance of the WHOLE circuit increase, decrease, or stay the same when additional light bulbs are added in series? 2. Does the voltage across each individual light bulb increase, decrease, or stay the same when additional light bulbs are added in series? 3. Does the resistance of the whole circuit increase, decrease, or stay the same when additional light bulbs are added in parallel? 4. Does the voltage across each individual light bulb increase, decrease, or stay...
All of them have short answers. 1. If a 19.9mA current source, a 32.6kΩ resistor, a...
All of them have short answers. 1. If a 19.9mA current source, a 32.6kΩ resistor, a 49.6kΩ resistor and a 42.6kΩ resistor are all connected in parallel, then what is the current through the 42.6kΩ resistor in milliamps? 2. If a 8.9V voltage source is applied across a 43.6kΩ resistor connected in series with a 25.3kΩ resistor, then what is the voltage across the 25.3kΩ resistor in volts? 3. If the Thevenin equivalent for a circuit is a 5.5V voltage...
Three Ohmic resistors with the same resistance are connected in series to a voltage source with...
Three Ohmic resistors with the same resistance are connected in series to a voltage source with voltage of 33 volts and 1A of current is produced in the circuit. Find the equivalent resistance of a circuit whose three resistors are placed in parallel?
A 20.0- lamp and a 5.0- lamp are connected in series and placed across a potential...
A 20.0- lamp and a
5.0- lamp are
connected in series and placed across a potential difference of
50.0 V. What is
a. the equivalent resistance of the circuit?
b. the current in the circuit?
c. the voltage drop across each lamp?
d.the power dissipated in each lamp?
1. Does the resistance of the whole circuit increase, decrease, or stay the same when additional...
1. Does the resistance of the whole circuit increase, decrease, or stay the same when additional light bulbs are added in parallel? 2. Does the voltage across each individual light bulb increase, decrease, or stay the same when additional light bulbs are added in parallel? 3. Are light bulbs brighter when they're connected in series or in parallel? 4. Consider a whole circuit. When the power supply is set to 12V, does the power supply provide more current to the...
3. A household wiring circuit consists of a voltage source (ac power from the electric company) connected across many loads (resistances) in parallel. (a) Draw a circuit diagram showing the voltage source and three loads-for example, a lightbulb, a clock, and a TV set. (b) The diagram should have several loops. Are Kirchhoff s rules needed to analyze the current through each load? Explain.
ELT 103 Final Exam Spring 2019 1. A series-parallel circuit is: a. typically combination of series banks and parallel strings c always a combination of series banks in parallel e. always a combination of parallel banks in series. d. usually a combination of series strings and parallel banks. 2. When analyzing resistance in a series-parallel circuit, you start: a. anywhere in the circuit. / b. at the source. c. at the farthest resistor from the source. d. in any parallel...
A 20.0- lamp and a
5.0- lamp are
connected in series and placed across a potential difference of
50.0 V. What is
a. the equivalent resistance of the circuit?
b. the current in the circuit?
c. the voltage drop across each lamp?
d.the power dissipated in each lamp?
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