ConcepTest 19.1a Magnetic Force I 1) out of the page 2) into the page 3) downward 4) to the right 5)...

ConcepTest 19.1a ConcepTest 19.1a Magnetic Force IMagnetic Force I

1) out of the page1) out of the page2) into the page2) into the page3) downward3) downward4) to the right4) to the right5) to the left5) to the left

A positive charge enters a A positive charge enters a uniform magnetic field as uniform magnetic field as shown. What is the direction shown. What is the direction of the magnetic force?of the magnetic force?

x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x

vv

qq

1) out of the page1) out of the page2) into the page2) into the page3) downward3) downward4) upward4) upward5) to the left5) to the left

x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x

vvqq

ConcepTest 19.1b ConcepTest 19.1b Magnetic Force IIMagnetic Force II


1) out of the page1) out of the page2) into the page2) into the page3) zero3) zero4) to the right4) to the right5) to the left5) to the left

vv

qq

ConcepTest 19.1c ConcepTest 19.1c Magnetic Force IIIMagnetic Force III


vv

qq

1) out of the page1) out of the page2) into the page2) into the page3) zero3) zero4) to the right4) to the right5) to the left5) to the left

ConcepTest 19.1d ConcepTest 19.1d Magnetic Force IVMagnetic Force IV


ConcepTest 19.2 ConcepTest 19.2 Atomic BeamsAtomic Beams

x x x x x x x x x x x x






1

2

34

A beam of atoms enters A beam of atoms enters a magnetic field region. a magnetic field region. What path will the What path will the atoms follow?atoms follow?

ConcepTest 19.3 ConcepTest 19.3 Magnetic FieldMagnetic Field

xx

yy

A proton beam enters into a A proton beam enters into a magnetic field region as shown magnetic field region as shown below. What is the direction below. What is the direction of the magnetic field of the magnetic field BB? ?

1) + 1) + yy

2) 2) –– yy

3) +3) + x x

4) + 4) + zz (out of page) (out of page)

5) 5) –– zz (into page) (into page)

ConcepTest 19.6a ConcepTest 19.6a Magnetic Force on a Wire IMagnetic Force on a Wire I

A horizontal wire carries a current A horizontal wire carries a current and is in a vertical magnetic field. and is in a vertical magnetic field. What is the direction of the force What is the direction of the force on the wire? on the wire?

1) left1) left2) right2) right3) zero3) zero4) into the page4) into the page5) out of the page5) out of the page

B

I

B

I

1) left1) left2) right2) right3) zero3) zero4) into the page4) into the page5) out of the page5) out of the page

ConcepTest 19.6b ConcepTest 19.6b Magnetic Force on a Wire IIMagnetic Force on a Wire II

A horizontal wire carries a current A horizontal wire carries a current and is in a vertical magnetic field. and is in a vertical magnetic field. What is the direction of the force What is the direction of the force on the wire? on the wire?

Two straight wires run parallel to Two straight wires run parallel to each other, each carrying a each other, each carrying a current in the direction shown current in the direction shown below. The two wires experience below. The two wires experience a force in which direction?a force in which direction?

1) toward each other1) toward each other

2) away from each other2) away from each other

3) there is no force3) there is no force

ConcepTest 19.9b ConcepTest 19.9b Field and Force IIField and Force II

ConcepTest 19.1a Magnetic Force I 1) out of the page 2) into the page 3) downward 4) to the right 5)...

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