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Electric Circuits, Resistance and Ohm's Law — Physics STD 10 — Question

ICSE BoardEnglish MediumSTD 10PhysicsElectric Circuits, Resistance and Ohm's Law1 Mark
Question
(a) In which direction conventional current and electronic current flow from a source of electricity?
(b) Name two materials whose resistance remains the same with the rise in temperature.
✓

Answer

(a) Conventional current flows from higher potential (positive terminal) to a lower potential (negative terminal). Electronic current flows from lower potential to a higher potential i.e., from negative terminal to positive terminal.
(b) Manganin, constantan

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