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Alternating Current — JEE physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceJEE physicsAlternating Current1 Mark
MCQ
In a pure inductive circuit or $\ln$ an ac circuit containing inductance only, the current
  • A
    Leads the e.m.f. by $90$
  • ✓
    Lags behind the e.m.f. by $90$
  • C
    Sometimes leads and sometime lags behind the e.m.f.
  • D
    Is in phase with the e.m.f.
✓

Answer

Correct option: B.
Lags behind the e.m.f. by $90$

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