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Magnetic Effects of Electric Current — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceMagnetic Effects of Electric Current1 Mark
MCQ
In alternating current :
  • A
    The direction of current is always positive
  • B
    The direction of current is always negative
  • ✓
    The direction of current changes constantly
  • D
    The direction of current is either positive or negative
✓

Answer

Correct option: C.
The direction of current changes constantly
Electric charge in alternating current $(AC)$ changes direction periodically. The voltage in $AC$ circuits also periodically reverses because the current changes direction.

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