Practice What You Have Learnt (12.5) - Magnetic Effects of Electric Current

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8 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is a compass needle?
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Think about how you navigate with a compass.
Question 2.
What do we call the area around a magnet where it can exert force?
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It’s an invisible force area.
3Question 3.
What happens to a compass needle when brought near a magnet?
- It remains static
- It deflects
- It gets attracted
- None of the above
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Think about how compass navigation works with magnetic influence.
4Question 4.
True or False: The magnetic field inside a solenoid is non-uniform.
- True
- False
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Consider how field lines are structured inside a coil.
Question 5.
A straight wire carries a current of 5 A. Calculate the magnetic field strength at a distance of 0.1 m from the wire.
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Remember the formula for the magnetic field around a straight current-carrying wire.
Question 6.
Design an experiment to demonstrate the effect of magnetic force on a moving conductor in a magnetic field.
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What will happen if you change the current's direction or the position of the magnet?

4 more questions in this section. Enroll free to practise them all.