A-LevelPhysicsElectric fields9702/12 · May/June 2013 · Q301 Mark
Two conducting layers of a liquid crystal display of a calculator are 8 µm apart. A 1.5V cell is connected across the conducting layers when the calculator is switched on. What is the electric field strength between the layers?
A1.2 x 10⁻⁵ V m⁻¹
B0.19 V m⁻¹
C12 V m⁻¹
D1.9 × 10⁵ V m⁻¹
✓ Correct answer
D: 1.9 × 10⁵ V m⁻¹
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