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Magnetic Effects of Electric Current Quiz
Class X
Science
Magnetic Effects of Electric Current
12 questions
HARD
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Preview questions
1. What is the primary cause of magnetism in a current-carrying conductor?
Presence of electrons · Movement of charges · Magnetic field lines · Resistance of the conductor
2. Which device is used to detect the presence of a magnetic field?
Galvanometer · Ammeter · Voltmeter · Compass
3. What shape does the magnetic field around a straight conductor take?
Circular · Elliptical · Spiral · Straight lines
4. In a solenoid, what happens to the strength of the magnetic field when the current is increased?
Decreases · Increases · Remains the same · Becomes zero
5. What is the direction of the magnetic field produced by a current-carrying wire determined by?
Right-hand thumb rule · Left-hand rule · Ampere's law · Faraday's law
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