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Electric World: Circuits, Power and Magnetic Effects

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Electric World: Circuits, Power and Magnetic Effects

Understand the science powering everyday life

ScienceGrade 10Mixed12 questions24 min
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Skills

Focused grade-level practice

Question types

multiple choice

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Section A: Electricity, Circuits and Power · 6 questionsSection B: Magnetic Effects and Safety · 6 questions
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Section A: Electricity, Circuits and Power

Apply key formulas and concepts from current electricity.

Choose the correct answer using concept clarity and simple calculations.

Question 1
Easymultiple_choice

Ohm’s law states that:

Topic: General practice

Question 2
Easymultiple_choice

If V = 12 V and R = 4 Ω, what is the current?

Topic: General practice

Question 3
Easymultiple_choice

The SI unit of resistance is:

Topic: General practice

Question 4
Easymultiple_choice

Two resistors of 2 Ω and 3 Ω are connected in series. Total resistance is:

Topic: General practice

Question 5
Easymultiple_choice

Electrical power is calculated as:

Topic: General practice