Suppose Electrical Power P Is Given By $P = \frac { E ^ { 2 } } { R } \text {, where } E \text { is voltage and } R \text { is }$

question 89

Multiple Choice

Suppose electrical power P is given by $P = \frac { E ^ { 2 } } { R } \text {, where } E \text { is voltage and } R \text { is }$ resistance. Approximate the maximum percent error in calculating the power if 140 volts are applied to a 3000-ohm resistor and the possible percent errors in measuring E and R are 5% and 8%, Respectively.

• A)24%
• B)42%
• C)38%
• D)43%
• E)18%

---

Definitions:

Contradictory Trend

A pattern in data or behavior that appears to go against the prevailing direction or common expectations.

Kitchen Appliances

Electrical or mechanical machines used in the kitchen for assisting with various food preparation tasks.

Workplace

A location or environment where people engage in physical or intellectual tasks to earn a livelihood; can vary from office settings to outdoor locations.

Work Ethic

A set of values based on the virtues of hard work and diligence, emphasizing the importance of responsibility, integrity, and perseverance in professional settings.