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What belongs in each mystery box?

Every mystery box holds the same value. Make the two sides balance.

5 × ? + 666Equal values make a level balance.

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ScienceAges 16-18Physics (O Level): Electricity & magnetism
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Electrical power (P = VI)

A circuit component operates at 40 V with a current of 14 A. Use P = VI to calculate the electrical power.

Use P = VI to calculate electrical power in watts from potential difference and current.

+−R
V = 40 V · I = 14 A
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