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Course: AS Physics 9702
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AS Physics 9702

1. Physical quantities and kinematics

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2. Dynamics, forces and pressure

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3. Work, energy, power and deformation

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4. Waves and superposition

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5. Electricity and D.C. circuits

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7. Circular motion and gravitational fields (A Level)

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8. Thermal physics (A Level)

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10. Electric fields and capacitance (A Level)

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11. Magnetic fields and alternating currents (A Level)

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12. Quantum and nuclear physics (A Level)

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13. Medical physics and astronomy (A Level)

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Quiz

AS & A Level Physics 9702 – 10.1 Electric fields – Quiz

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Electric fields AS Physics quiz: free practice for AS Physics 9702. Work through this Electric fields AS Physics quiz and get instant feedback on every answer. If you get stuck, review the 10.1 ELECTRIC FIELDS — Notes lesson. More practice: AS Physics 9702 — all units. Syllabus: Cambridge AS & A Level Physics 9702 syllabus.

1.

Electric field strength is defined as

force per unit mass
force per unit positive charge
energy per unit charge
charge per unit area
2.

Two parallel plates 2.0 cm apart have a p.d. of 400 V. What is the field strength between them?

800 V m⁻¹
8.0 V m⁻¹
2.0 × 10⁴ V m⁻¹
200 V m⁻¹
3.

The force between two point charges is F. The separation is doubled. The new force is

F/2
2F
4F
F/4
4.

The electric potential at a point is

the force per unit charge
the work done per unit positive charge in bringing a small test charge from infinity to the point
always negative
a vector quantity
5.

Electric field strength equals

the potential
the potential squared
the negative of the potential gradient
the potential multiplied by distance
6.

An electron enters a uniform electric field at right angles to the field lines. Its path is

a circle
a straight line
a parabola
a helix
7.

Field lines near a positive point charge

point radially inwards
form closed loops
point radially outwards
are parallel
8.

What is the force on a charge of 3.2 × 10⁻¹⁹ C in a field of 5.0 × 10⁴ N C⁻¹?

6.4 × 10⁻²⁴ N
1.6 × 10²³ N
1.6 × 10⁻¹⁴ N
1.6 × 10⁻¹⁹ N
9.

For a point outside a charged spherical conductor, the charge may be considered to act

on the surface nearest the point
uniformly throughout the volume
at the centre of the sphere
at infinity
10.

The electric potential energy of two point charges Q and q separated by r is

Qq/(4πε₀r²)
Q/(4πε₀r)
Qq/r²
Qq/(4πε₀r)
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