Physics (AS & A Level) · May / June 2016 · Paper 12 · Question 31

Two parallel metal plates, 4.0 cm apart, are at electric potentials of 800 V and 2000 V. Points X, Y and Z are situated in the space between the plates at distances of 1.0 cm, 2.0 cm and 3.0 cm from the lower plate. What is the electric field strength, in V m⁻¹, at X, Y and Z?

1. AX 300, Y 600, Z 900
2. BX 1100, Y 1400, Z 1700
3. CX 3.0 × 10⁴, Y 3.0 × 10⁴, Z 3.0 × 10⁴
4. DX 5.0 × 10⁴, Y 5.0 × 10⁴, Z 5.0 × 10⁴

As printed in the paper