Curriculum
Course: IB Physics SL
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Curriculum

IB Physics SL

Theme A — Space, Time and Motion

0/80 Dr Dabour Hub Science Diagram and Course Material

Theme B — The Particulate Nature of Matter

0/87 Dr Dabour Hub Science Diagram and Course Material

Theme C — Wave Behaviour

0/60 Dr Dabour Hub Science Diagram and Course Material

Theme D — Fields

0/41 Dr Dabour Hub Science Diagram and Course Material

Theme E — Nuclear and Quantum Physics

0/59 Dr Dabour Hub Science Diagram and Course Material

Tools and Inquiry — IB Physics skills

0/54 Dr Dabour Hub Science Diagram and Course Material
Quiz

D.3.3 Magnetic Force on a Charge – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
A charged particle moves parallel to a magnetic field. The magnetic force is
qvB
zero
qvB/2
maximum
2.
A magnetic field acting on a moving charge changes its
speed only
kinetic energy
speed and direction
direction of motion only
3.
An electron (e = 1.6 × 10−19 C) moves at 2.0 × 106 m s−1 at right angles to a 0.050 T field. The force is
1.6 × 10−14 N
3.2 × 10−14 N
1.6 × 10−13 N
8.0 × 10−15 N
4.
The force on a charge q moving at velocity v in a field B is largest when the angle between v and B is
0°
90°
45°
180°
5.
If the speed of a charged particle is doubled in a uniform field, perpendicular entry, the force
halves
quadruples
doubles
is unchanged
6.
Which statement about the force on a moving electron compared with a proton moving the same way is correct?
The direction is the same
It is always larger
The direction is opposite
It is zero
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Part of Theme D — Fields — see every lesson and quiz in this unit.
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