Quick answer: In a series circuit the current is the same everywhere and the voltages add up to the supply; in a parallel circuit every branch has the full supply voltage and the branch currents add up. This Physics 9-10 quiz checks electrical power with 10 multiple-choice questions and instant feedback; every answer comes with a short explanation.
This electrical power quiz for physics grades 9-10 has quick multiple-choice questions with instant feedback. Need a refresher first? Read the lesson or do the worksheet on electrical power.
Ten multiple-choice questions check the key ideas of this chapter: series and parallel rules, the power formulas, energy units and mains safety. Choose one answer for each, then read the explanation to understand any mistake.
Level: Physics grades 9-10 (GCSE · IGCSE · O Level · Class 9-10) · Curriculum: GCSE P2, HS-PS3-3