Principles Of Electric Circuits
10th Edition
ISBN: 9780134879482
Author: Floyd, Thomas L.
Publisher: Pearson,
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 3, Problem 28P
A small solar cell is connected to a 27 kΩ resistor. In bright sunlight, the solar cell looks like a current source that can supply 180 μA to the resistor. What is the voltage across the resistor?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
What is the maximum permissible current in an 82Ω, 2W resistor? What is the maximum voltage that can be applied to the resistor?
If a 10-A current source has an internal resistance of 100 ohms, what is the current flow from the source when the terminal voltage is 200 V?
Round your answer to 2 decimal places.
A 24 V battery is connected across a load having a resistance of 4 ohms. Determine the energy dissipated in 1 minute. Please show complete solution
Chapter 3 Solutions
Principles Of Electric Circuits
Ch. 3 - If the current drops to 10 mA under the same...Ch. 3 - If the sense resistor develops 0.8 V across it,...Ch. 3 - Calculate the current in Figure 3-71 if R is...Ch. 3 - What is the current in mA produced by 1 kV across...Ch. 3 - How much current is there through a 6.8 M resistor...Ch. 3 - In Figure 3-10, how much voltage is required to...Ch. 3 - lf there are 3.2 A through a 47 resistor, what is...Ch. 3 - If there are 450 A through a 3.9 M resistor, what...Ch. 3 - In the circuit of Figure 3-13, how much resistance...Ch. 3 - If one of the grid wires opens, the current drops...
Ch. 3 - If the resistor is changed in Figure 3-14 so that...Ch. 3 - If the total resistance of a circuit increases and...Ch. 3 - Ohms law for finding resistance is R = I/V.Ch. 3 - When milliamps and kilohms are multiplied...Ch. 3 - If a 10 k resistor is connected to a 10 V source,...Ch. 3 - The current in a fixed resistor is directly...Ch. 3 - Ohms law for finding current is I = V/R.Ch. 3 - When microamps and megohms are multiplied, the...Ch. 3 - When voltage is constant, current is inversely...Ch. 3 - Ohms law for finding voltage is V = I/R.Ch. 3 - When I is plotted as a function of V for a fixed...Ch. 3 - Ohms law states that 1. current equals voltage...Ch. 3 - When the voltage across a resistor is doubled, the...Ch. 3 - When 10 V are applied across a 20 resistor, the...Ch. 3 - When there are 10 mA of current through 1.0 k...Ch. 3 - If 20 V are applied across a resistor and there...Ch. 3 - A current of 250 A through a 4.7 k resistor...Ch. 3 - A resistance of 2.2 M is connected across a 1 kV...Ch. 3 - How much resistance is required to limit the...Ch. 3 - An electric heater draws 2.5 A from a 110 V...Ch. 3 - The current through a flashlight bulb is 20 mA and...Ch. 3 - If the current through a fixed resistor goes from...Ch. 3 - If the voltage across a fixed resistor goes from...Ch. 3 - A variable resistor has 5 V across it. If you...Ch. 3 - If the voltage across a resistor increases from 5...Ch. 3 - If larger voltages are applied and results are...Ch. 3 - If the IV curve for a larger value resistor is...Ch. 3 - If the voltmeter reading changes to 175 V, the...Ch. 3 - If is changed to a larger value and the voltmeter...Ch. 3 - If the resistor is removed from the circuit...Ch. 3 - If the resistor is removed from the circuit...Ch. 3 - If the rheostat is adjusted to increase the...Ch. 3 - If the rheostat is adjusted to increase the...Ch. 3 - If the fuse opens, the voltage across the heating...Ch. 3 - If the source voltage increases, the voltage...Ch. 3 - If the fuse is changed to one with a higher...Ch. 3 - If the lamp burns out (opens), the current a....Ch. 3 - If the lamp burns out, the voltage across it a....Ch. 3 - In a circuit consisting of a voltage source and a...Ch. 3 - State the formula used to find I when the values...Ch. 3 - State the formula used to find V when the values...Ch. 3 - State the formula used to find R when the values...Ch. 3 - A variable voltage source is connected to the...Ch. 3 - In a certain circuit, I = 5 mA when V = 1 V....Ch. 3 - Figure 322 is a graph of current versus voltage...Ch. 3 - Plot the currentvoltage relationship for a...Ch. 3 - Plot the currentvoltage relationship for a...Ch. 3 - Determine the current in each circuit in Figure...Ch. 3 - You are measuring the current in a circuit that is...Ch. 3 - (a) If you wish to increase the amount of current...Ch. 3 - Plot a graph of current versus voltage for voltage...Ch. 3 - Does the graph in Problem 13 indicate a linear...Ch. 3 - Figure 3-24 shows an IV curve for a certain light...Ch. 3 - For the bulb graphed in Figure 3-24, what is the...Ch. 3 - Determine the current in each case: a. V = 5 V, R...Ch. 3 - Determine the current in each case: a. V = 9 V, R...Ch. 3 - Assume 200 mV is across a 330 m current sensing...Ch. 3 - A certain resistor has the following color code:...Ch. 3 - A 4-band resistor is connected across the...Ch. 3 - A 5-band resistor is connected across a 12 V...Ch. 3 - If the voltage in Problem 22 is doubled, will a...Ch. 3 - A certain rear window defroster has a resistance...Ch. 3 - If the voltage of the battery in problem 24 drops...Ch. 3 - The potentiometer connected as a rheostat in...Ch. 3 - A 270 current-limiting resistor has a voltage of...Ch. 3 - A small solar cell is connected to a 27 k...Ch. 3 - Calculate the voltage for each value of I and R:...Ch. 3 - Calculate the voltage for each value of I and R:...Ch. 3 - Three amperes of current are measured through a 27...Ch. 3 - Assign a voltage value to each source in the...Ch. 3 - A 6 V source is connected to a 100 resistor by...Ch. 3 - Calculate the resistance of a rheostat for each...Ch. 3 - Calculate the resistance of a rheostat for each...Ch. 3 - Six volts is applied across a resistor. A current...Ch. 3 - The filament of a lamp in the circuit of Figure...Ch. 3 - A certain electrical device has an unknown...Ch. 3 - By varying the rheostat (variable resistor) in the...Ch. 3 - In the light circuit of Figure 329, identify the...Ch. 3 - Assume you have a 32-light string and one of the...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.Similar questions
- An 8-ohm resistor is in series with a lamp. The circuit current is 1 A. With 20 V applied, what voltage is being allowed for the lamp? Express your answer in whole number. No unit is required.arrow_forwardWhat is the current through the 10 ohm resistorarrow_forwardwhat is the current in the 20-ohm resistorarrow_forward
- Convert the current source to an equivalent voltage source and calculate the current flowing through the 4.7kOhms resistorarrow_forwardFor the given circuit, what is the voltage across 10 ohm resistorarrow_forwardUsing the circuit, if the current in the circuit is 15.6∠ − 30° mAp and the resistance is 560Ω, what would the voltage across the resistor be?arrow_forward
- A 100 V battery is connected across a resistor and causes a current of 5mA to flow. Determine the resistance of the resistor. If the voltage is now reduced to 25 V, what will be the new value of the current flowing?arrow_forwardFind out the current flowing through the 25 ohm resistor.arrow_forwardA 460 Ω resistor is connected to a circuit which causes a current of 80 mA to flow through it. Calculate the voltage across the resistor and the power it is dissipatingarrow_forward
- Find Req with all the resistors equal to 3Ω. (Answer with 2 decimal places) Figure in the Picture.arrow_forwardA voltage of 4 V is supplied to two resistor of 6 ohms and 2 ohms connected in series. Calculate: (a) the combined resistance, (b) the current flowing, (c) the voltage across the 6 ohms resistor.arrow_forwardQuestion 1: We have a LED in series with 5K-ohm resistors with 12 V applied across the combination. The voltage across the LED is 2 V. What is the value of the current flowing through the circuit? (indicate the units)arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Delmar's Standard Textbook Of ElectricityElectrical EngineeringISBN:9781337900348Author:Stephen L. HermanPublisher:Cengage Learning
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Cengage Learning
Kirchhoff's Rules of Electrical Circuits; Author: Flipping Physics;https://www.youtube.com/watch?v=d0O-KUKP4nM;License: Standard YouTube License, CC-BY