A Sinusoidal Electromagnetic Wave with an Electric Field Amplitude of 100

question 32

Multiple Choice

A sinusoidal electromagnetic wave with an electric field amplitude of 100 V/m is incident normally on a surface with an area of 1 cm² and is completely absorbed.The energy absorbed in 10 s is:

• A)1.3 mJ
• B)13 mJ
• C)27 mJ
• D)130 mJ
• E)270 mJ

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