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Heating and Chemical Effect of Current — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsHeating and Chemical Effect of Current1 Mark
MCQ
When current is passed in antimony-bismuth couple, then
  • A
    The junction becomes hot when the current is from bismuth to antimony
  • ✓
    The junction becomes hot when current flows from antimony to bismuth
  • C
    Both junctions become hot
  • D
    Both junctions become cold
✓

Answer

Correct option: B.
The junction becomes hot when current flows from antimony to bismuth
The junction becomes hot when current flows from antimony to bismuth

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