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Engineering Electromagnetics MCQ

1. When your foot stands on a tile floor, thermal energy always flows _________.

From either your foot or the tile, depending on the temperature of the tile

Metal is a good conductor of heat, whereas air is a terrible conductor of heat

Glass transmits solar radiation into the greenhouse and blocks infrared radiation from leaving the greenhouse

None of the above

Answer

Correct Answer: From either your foot or the tile, depending on the temperature of the tile

Note: This Question is unanswered, help us to find answer for this one

2. What is current?

Moving charges along a wire or in any conductive material

Electrical energy

An electrical circuit

Stagnant charges in a wire

Answer

Correct Answer: Moving charges along a wire or in any conductive material

Note: This Question is unanswered, help us to find answer for this one

3. What is electric flux?

The movement of electrons within an electric field

A unit for measuring the intensity of an electric field

A measure of the electric potential of a given point

A crowd of electric field lines flowing into a surface area

Answer

Correct Answer: A crowd of electric field lines flowing into a surface area

Note: This Question is unanswered, help us to find answer for this one

4. What is an Electric Field?

An invisible barrier that stops electricity

A force field around a charged particle

The same as an Electric Current

A geographic area of strong winds

Answer

Correct Answer: A force field around a charged particle

Note: This Question is unanswered, help us to find answer for this one

5. What type of force will two electric charges will feel if they dislike each other?

Balanced force

Neutral Force

Attractive force

Repulsive force

Answer

Correct Answer: Repulsive force

Note: This Question is unanswered, help us to find answer for this one

6. What is the unit of measure for charge density?

Joules per meter

Charge per unit of distance, area, or volume

Kilograms per meter

Coulombs per meter

Answer

Correct Answer: Charge per unit of distance, area, or volume

Note: This Question is unanswered, help us to find answer for this one

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