An Electromagnetic Wave Has a Peak Electric Field of 3

question 36

Multiple Choice

An electromagnetic wave has a peak electric field of 3.0 kV/m. What is the intensity of the wave? (c = 3.0 x 10⁸ m/s, μ₀ = 4π × 10^-7 T ∙ m/A, ε₀ = 8.85 × 10^-12 C²/N ∙ m²)

• A) 24 kW/m²
• B) 12 kW/m²
• C) 8.0 kW/m²
• D) 4.0 kW/m²

---

Definitions:

Reversing Entries

These are accounting journal entries that reverse a previous entry, usually made at the beginning of a new accounting period to simplify record-keeping.

Work Sheet

An informal document used by accountants and auditors for preparing financial statements and ensuring the correctness of accounts.

Post-Closing Trial Balance

A listing of all accounts and their balances after closing entries are made, serving as a check to ensure that debits equal credits.

Accounts Receivable

Money owed to a company by its customers for goods or services delivered but not yet paid for.