Physics · Magnetic Effects of Electric Current
Which of the following statements is true about Fleming's left-hand rule?
- 1If the thumb points in the direction of current and the middle finger in the direction of magnetic field, the forefinger shows the direction of force.
- 2It is used only to determine the direction of induced current in a generator.
- 3If the forefinger points in the direction of the magnetic field and the middle finger in the direction of current, the thumb shows the direction of motion or force.✓
- 4If the thumb points in the direction of force and the forefinger in the direction of current, the middle finger shows the direction of magnetic field.
Correct answer
If the forefinger points in the direction of the magnetic field and the middle finger in the direction of current, the thumb shows the direction of motion or force.
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