Quick questions on Electric field strength and parallel plates: HSC Physics Module 6

5short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What are field shape between parallel plates?

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Two flat, conducting plates held at different potentials produce a characteristic field pattern.

What is diagrams you should be able to draw?

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Markers love a clean labelled diagram. Reserve space for one even in a short answer.

What is q1?

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Define the electric field between two parallel charged plates and write the equation linking field strength, voltage and separation. [2 marks]

What is q2?

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Two parallel plates are separated by

4.0 \text{ mm}

with a

600 \text{ V}

potential difference. Calculate the field strength and the force on a

+2.0 \mu\text{C}

charge placed between them. [3 marks]

What is q3?

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A pair of parallel plates is connected to a

9.0 \text{ V}

battery. The plates are then moved further apart from

1.0 \text{ mm}

3.0 \text{ mm}

while remaining connected. (a) Find the field strength before and after.

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