A Resistor Develops Heat at the Rate of 20 W $\Omega$

question 87

Multiple Choice

A resistor develops heat at the rate of 20 W when the potential difference across its ends is 30 V.The resistance of the resistor is approximately

• A)45 \(\Omega\)
• B)5.5 \(\Omega\)
• C)30 \(\Omega\)
• D)13 \(\Omega\)
• E)2 \(\Omega\)

---

Definitions:

Cotton

A natural fiber harvested from the cotton plant, widely used in the textile industry for fabric production.

Polyester Cloth

A type of fabric made from polyester fibers, known for its durability, resistance to stretching and shrinking, and quick drying properties.

Direct Materials

Raw materials that can be directly identified and allocated to the production of specific goods or services.

Total Cost

The complete cost of production, including fixed and variable costs, for manufacturing a product or providing a service.