Abeka Physics Chapter 19

What do physicists call large groups of atoms whose net spins are aligned because of strong coupling between neighboring atoms?

• magnetic zones

• magnetic regions

• magnetic sectors

• magnetic domains

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NGSS.HS-PS2-5

NGSS.HS-PS3-5

Which of the following statements about the orientation and effects of Earth’s magnetic field is not true?

• The geographic North Pole of Earth is near the magnetic south pole.

• A compass needle that can rotate both perpendicularly and parallel to the surface of Earth, points down at the magnetic south pole.

• A compass needle always indicates the direction of true north.

• The geographic South Pole of Earth corresponds to the magnetic north pole.

Which of the following statements correctly describes the behavior of magnets?

• Like poles attract each other, and unlike poles repel each other.

• Like poles repel each other, and unlike poles attract each other.

• Both like and unlike poles can attract and repel each other depending on the surrounding materials.

• none of the above

Which of the following terms correctly describes the shape of the magnetic field around a long, straight current-carrying wire?

• cylindrical

• parallel

• perpendicular

• elliptical

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NGSS.HS-PS2-5

The right-hand rule states that the thumb of the right hand is to be placed in what direction when grasping a wire?

• in a direction opposite of the current

• in the direction of the current

• in the direction of Earth’s magnetic north pole

• none of the above

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NGSS.HS-PS2-5

Which of the following statements about the magnetic field lines of a solenoid is not true?

• The field lines inside a solenoid point in the same direction and are nearly parallel.

• The field lines inside a solenoid are uniformly spaced and close together.

• The field lines outside a solenoid are uniformly spaced but further apart.

• The field lines outside a solenoid do not always point in the same direction.

According to the right-hand rule, in what direction will the fingers curl?

• in the direction of the current

• in the direction of the magnetic field, B

• in the direction of the magnetic field’s movement

• in the direction of the magnetic field’s force

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NGSS.HS-PS2-5

NGSS.HS-PS3-5

Given the following equation, B = F / (qv), which of the following statements is true?

• The magnetic field, B, is directly proportional to q.

• The magnetic field, B, is directly proportional to v.

• The magnetic field, B, is directly proportional to F

• The magnetic field, B, is directly proportional to F, q, and v.

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NGSS.HS-PS2-5

NGSS.HS-PS3-5

Which of the following statements about the right-hand rule is not true?

• The fingers indicate the direction of the magnetic field.

• The thumb indicates the direction of a particle? ’s movement in the magnetic field.

• The direction of the magnetic force is always parallel to the magnetic field.

• The direction of the magnetic force exerted on a proton is out of the palm of the hand.

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NGSS.HS-PS3-5

According to the right-hand rule, what is the direction of the force on an electron?

• out of the palm of the hand

• out of the back of the hand

• in the direction of the thumb

• in the direction of the fingers

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5