A Sphere with Radius 2

question 9

Multiple Choice

A sphere with radius 2.0 mm carries +1.0 μC of charge distributed uniformly throughout its volume.What is the potential difference,V_B - V_A,between point B,which is 4.0 m from the center of the sphere,and point A,which is 9.0 m from the center of the sphere? (k = 1/4πε₀ = 8.99 × 10⁹ N ∙ m²/C²)

• A)1200 V
• B)-1200 V
• C)140 V
• D)-0.45 V

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Definitions:

Unearned Revenue

Income received by a business for goods or services yet to be delivered or provided; also known as deferred revenue.

Prepaid Expense

Payments made beforehand for products or services that will be provided at a later date.

Cash Receipt

A document acknowledging the receipt of cash, often provided to a customer who makes a payment.

Debt Ratio

A financial ratio that measures the proportion of a company's total liabilities to its total assets, indicating the extent of leverage and financial risk.