Curriculum
Course: IB Physics HL
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Curriculum

IB Physics HL

Theme A — Space, Time and Motion

0/125 Dr Dabour Hub Science Diagram and Course Material

Theme B — The Particulate Nature of Matter

0/105 Dr Dabour Hub Science Diagram and Course Material

Theme C — Wave Behaviour

0/73 Dr Dabour Hub Science Diagram and Course Material

Theme D — Fields

0/77 Dr Dabour Hub Science Diagram and Course Material

Theme E — Nuclear and Quantum Physics

0/89 Dr Dabour Hub Science Diagram and Course Material

Tools and Inquiry — IB Physics skills

0/43 Dr Dabour Hub Science Diagram and Course Material
Quiz

D.2.4 Coulomb’s Law – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
Two point charges repel with force F. The distance is doubled and one charge is also doubled. The new force is
F
F/4
2F
F/2
2.
The SI unit of k is
N C−1
N m2 C−2
C2 N−1 m−2
V m−1
3.
The force between +2.0 µC and +3.0 µC, 0.20 m apart, is closest to
0.27 N
5.4 N
1.3 N
13 N
4.
Electric forces differ from gravitational forces in that they
can be attractive or repulsive
obey an inverse-square law
act along the line joining the bodies
obey Newton's third law
5.
The graph of Coulomb force against 1/r2 is
a hyperbola
a straight line through the origin
an exponential
a straight line with intercept
6.
A +1 µC charge lies midway between two equal +4 µC charges. The net force on it is
directed to the left
directed to the right
zero
twice that from one charge
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Part of Theme D — Fields — see every lesson and quiz in this unit.
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