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Magnetic Fields due to Electric Current — Physics STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 SciencePhysicsMagnetic Fields due to Electric Current1 Mark
MCQ
When a current is passed through a suspended moving-coil galvanometer, the deflection of the coil is 9 . Then, in the usual notation, the expression $\frac{\mu B}{\theta}$ is
  • A
    the torsion constant of the helical spring
  • B
    the magnetic dipole moment of the current-carrying coil
  • C
    the current through the coil
  • ✓
    the torsion constant of the suspension fibre.
✓

Answer

Correct option: D.
the torsion constant of the suspension fibre.
the torsion constant of the suspension fibre.

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