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Electric Current Through Conductors — Physics STD 11 Science — Question

Maharashtra BoardEnglish MediumSTD 11 SciencePhysicsElectric Current Through Conductors1 Mark
MCQ
A rheostat is used
  • A
    to bring on a known change of resistance in the circuit to alter the current.
  • ✓
    to continuously change the resistance in any arbitrary manner and there by alter the current.
  • C
    to make and break the circuit at any instant.
  • D
    neither to alter the resistance nor the current.
✓

Answer

Correct option: B.
to continuously change the resistance in any arbitrary manner and there by alter the current.

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