Class 10ScienceMagnetic Effects of Electric CurrentMix Examples - Magnetic Effects of Electric Current
MediumChoose the incorrect statement.
- AFleming's right-hand rule is a simple rule to know the direction of induced current.
- BThe right-hand thumb rule is used to find the direction of magnetic fields due to current-carrying conductors.
- CThe difference between the direct and alternating currents is that the direct current always flows in one direction,whereas the alternating current reverses its direction periodically.
- DIn India,the $AC$ changes direction after every $\frac{1}{50}$ second.
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$A$ straight conductor passes vertically through a cardboard sprinkled with iron filings. Show the setting of iron filings when a weak current is passed in the downward direction and then the cardboard is gently tapped. Draw arrows to represent the direction of magnetic field lines.
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