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2019 MHT-CET PCM SET - 02 — MHT - CET STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceMHT - CET2019 MHT-CET PCM SET - 021 Mark
MCQ
Torque acting on a rectangular coil carrying current 'l' situated parallel to magnetic field of induction 'B', having number of turns 'n' and area 'A' is ______.
  • A
    $\frac{ iBA }{ n }$
  • ✓
    $\operatorname{ni}( A \times B )$
  • C
    $\frac{ nBA }{ i }$
  • D
    $\operatorname{ni}(\widehat{ A } \cdot \widehat{ B })$
✓

Answer

Correct option: B.
$\operatorname{ni}( A \times B )$
B

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