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Physics

(i) Which particles are responsible for current in conductors?

(ii) To which wire of a cable in a power circuit should the metal case of a geyser be connected?

(iii) To which wire should the fuse be connected?

Household Circuits

ICSE 2017

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Answer

(i) Free electrons are responsible for flow of current in conductors.

(ii) Earth wire (green) is connected to the metal case of a geyser.

(iii) The fuse is connected to the live wire (red or brown).

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