Electric Field of Multiple Point-Charges: Four Equal Negative Point Charges

question 27

Multiple Choice

Electric field of multiple point-charges: Four equal negative point charges are located at the corners of a square, their positions in the xy-plane being (1, 1) , (-1, 1) , (-1, -1) , (1, -1) . The electric field on the x-axis at (1, 0) points in the same direction as

• A) .
• B) .
• C) - .
• D) .
• E) - .

---

Definitions:

Depreciation Charges

The allocation of the cost of tangible assets over their useful lives, reflecting the decrease in value over time.

Retained Earnings

The portion of net income left over for the business after it has paid out dividends to its shareholders.

Depreciation Expense

A measure of the reduction in value of an asset over time, often used for tax and accounting purposes.

Net Cash Flow

The difference between a company's cash inflows and outflows over a period of time.