Physics · Unit 1 · Electrical circuits · Current, potential difference and energy flow
Solve problems involving electrical potential difference, electric current, resistance and power.
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Solve problems involving electrical potential difference using 𝑉 = 𝑊 𝑞.
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Solve problems involving finding equivalent resistance, electrical potential difference and electric currents in series and parallel circuits using 𝑃 = 𝑉𝐼, 𝑃 = 𝐼2 𝑅, 𝑉𝑡 = 𝑉1 + 𝑉2 + ⋯ 𝑉𝑛, 𝑅𝑡 = 𝑅1 + 𝑅2 + ⋯ 𝑅𝑛, 𝐼𝑡 = 𝐼1 + 𝐼2 + ⋯ 𝐼𝑛, 1 𝑅𝑡 = 1 𝑅1 + 1 𝑅2 + ⋯ 1 𝑅𝑛.