Which of the Following Is an Accurate Statement

question 37

Multiple Choice

Which of the following is an accurate statement?

• A)Magnetic field lines have as their sources north and south poles.
• B)A magnetic field line is,by definition,tangent to the direction of the magnetic force on a moving charge at a given point in space.
• C)The magnetic force on a moving charge does not change its energy.
• D)The magnetic force on a current-carrying wire is greatest when the wire is parallel to the magnetic field.
• E)A current-carrying loop of wire tends to line up with its plane parallel to an external magnetic field in which it is positioned.

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Definitions:

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Disturbing dreams that cause the dreamer to wake up feeling anxious and frightened.

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Emotional outbursts, typically seen in children, that are often characterized by crying, screaming, and sometimes physical behaviors like kicking or hitting.

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Disorder marked by persistent breaking of the rules and violations of the rights of others.

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A neurodevelopmental disorder characterized by difficulty in maintaining attention, excessive activity, and impulsivity.