Voltage (V) [V] ● Resistor X Resistor Y ▲ Resistor Z Current (1) [A] [Select] V=4.71 V = 2.31 V = 0.61 Assume you have one resistor of each resistor shown in the graph available for use. Determine the required resistance for the system in units of ohms [1]. Choose one correct resistor or resistor combination that will meet the criteria as closely as possible. List the resistor(s) and the resistor configuration (individual, parallel, or series) and the resulting resistance for the configuration. (a) You want the resistor(s) to provide approximately 620 watts [W] of power when using a current of 20 amperes [A]. [Select] (b) You want the resistor(s) to provide approximately 1700 watts [W] of power when using 95 volts [V].

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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**Educational Resource on Resistor Configurations and Calculations**

### Graph Description

**Graph Title**: Voltage (V) vs. Current (I)

The graph displays three lines representing different resistors (X, Y, Z):
- **Resistor X**: Orange line with equation \( V = 4.7I \)
- **Resistor Y**: Purple line with equation \( V = 2.3I \)
- **Resistor Z**: Green line with equation \( V = 0.6I \)

The \( x \)-axis represents Current (I) in Amperes [A], ranging from 0 to 5 A.
The \( y \)-axis represents Voltage (V) in Volts [V], ranging from 0 to 25 V.

### Instructions

Assume you have access to one resistor of each type shown in the graph. Follow the steps below for the given problems:

1. **Determine Resistance**: Calculate the required resistance for the system in ohms [Ω].

2. **Select Resistors**: Choose an appropriate resistor or resistor combination that best meets the specified criteria.

3. **Configuration Listing**: Specify the resistors and their configuration (individual, parallel, or series) and calculate the resulting resistance.

### Problems

**(a)** You want the resistor(s) to provide approximately 620 watts [W] of power when using a current of 20 amperes [A].

- **Answer Choices**: [ Select from dropdown ]

**(b)** You want the resistor(s) to provide approximately 1700 watts [W] of power when using 95 volts [V].

- **Answer Choices**: [ Select from dropdown ]

Use the power formulas \( P = VI \) and \( P = I^2R \) to assist in determining the correct solutions.
Transcribed Image Text:**Educational Resource on Resistor Configurations and Calculations** ### Graph Description **Graph Title**: Voltage (V) vs. Current (I) The graph displays three lines representing different resistors (X, Y, Z): - **Resistor X**: Orange line with equation \( V = 4.7I \) - **Resistor Y**: Purple line with equation \( V = 2.3I \) - **Resistor Z**: Green line with equation \( V = 0.6I \) The \( x \)-axis represents Current (I) in Amperes [A], ranging from 0 to 5 A. The \( y \)-axis represents Voltage (V) in Volts [V], ranging from 0 to 25 V. ### Instructions Assume you have access to one resistor of each type shown in the graph. Follow the steps below for the given problems: 1. **Determine Resistance**: Calculate the required resistance for the system in ohms [Ω]. 2. **Select Resistors**: Choose an appropriate resistor or resistor combination that best meets the specified criteria. 3. **Configuration Listing**: Specify the resistors and their configuration (individual, parallel, or series) and calculate the resulting resistance. ### Problems **(a)** You want the resistor(s) to provide approximately 620 watts [W] of power when using a current of 20 amperes [A]. - **Answer Choices**: [ Select from dropdown ] **(b)** You want the resistor(s) to provide approximately 1700 watts [W] of power when using 95 volts [V]. - **Answer Choices**: [ Select from dropdown ] Use the power formulas \( P = VI \) and \( P = I^2R \) to assist in determining the correct solutions.
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