Electric Current And Its Effects: Practice 2

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ScienceGrade 7Mixed10 questions15 min

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Inside this assignment

First 4 questions from the learning flow.

Explorer question style

Processes and Observations · 5 questionsReasoning Practice · 5 questions

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Processes and Observations

Build the first set of ideas carefully.

Choose the best answer for each question.

Question 1

EasyQuestion

Why is replacing a fuse wire with a thick copper wire unsafe?

Topic: Fuses and Safety · Skill: Explain how fuses and MCBs protect circuits

Question 2

EasyQuestion

An MCB trips repeatedly when a heater and iron run together. What is the best first response?

Topic: Fuses and Safety · Skill: Explain how fuses and MCBs protect circuits

Question 3

EasyQuestion

What happens when electric current flows through a wire near a compass?

Topic: Magnetic Effect · Skill: Explain the magnetic effect of electric current

Question 4

EasyQuestion

Which observation shows the magnetic effect of current?

Topic: Magnetic Effect · Skill: Explain the magnetic effect of electric current

What this assignment covers

Progressive practice for Electric Current and Its Effects with concept checks, application and reasoning questions.

Skills and sections

Explain how fuses and MCBs protect circuits, Explain the magnetic effect of electric current, Describe construction and uses of electromagnets, Explain working of an electric bell

Processes and Observations: 5 questions
Reasoning Practice: 5 questions