A Rod of 2

question 25

Multiple Choice

A rod of 2.0-m length and a square (2.0 mm × 2.0 mm) cross section is made of a material with a resistivity of 6.0 × 10−8 Ω ⋅ m. If a potential difference of 0.50 V is placed across the ends of the rod, at what rate is heat generated in the rod?

• A)3.0 W
• B)5.3 W
• C)8.3 W
• D)1.3 W
• E)17 W

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Definitions:

Addressability

The ability to identify and reach specific target audiences or devices, usually in the context of marketing or advertisements.

Market Segment

A collection of people or entities with one or more common attributes, leading them to have similar demands for products and/or services.

Point-of-Purchase Promotions

Marketing efforts designed to incentivize consumers to make a purchase decision on the spot, such as product displays or coupons at the checkout.

Consumer Awareness

The extent to which potential customers are familiar or informed about a product, brand, or issue affecting their purchasing decisions.