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Electromagnetism MCQs

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Practice free Electromagnetism multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 221 questions — no login required.

Question 37easy

Maxwell's continuity equation for tune field in varying electromagnetic differential form is given by dp Dp

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Question 38easy

Maxwell's second curl equation for electromagnetic fields is

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Question 39easy

Poynting vector signifies

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Question 40easy

Poynting vector gives the

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Question 41easy

Ponting theorem relating the electric intensity E, magnetic intensity 11 and the rate of energy flow per unit area at a point gives poynting vector P as equal to

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Question 42easy

Velocity of plane electromagnetic waves in vacuum equals

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Question 43easy

For normal incidence, the angle of incidence is

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Question 44easy

According to Snell's law, for electromagnetic waves cos0, cos?,sinO,

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Question 45easy

Plasma signifies