Current electricity questions | form six Physics

Why does a room light turn on at once when the switch is closed? Give comment.

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UNSOLVED

A current of 3.0mA flows in a Television resistor R when a potential difference of 6.0V
is connected across its terminals. Determine the value of conductance.

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UNSOLVED

The circuit diagram in Figure2 contains a capacitor, resistors and three cells of negligible
internal resistance.

Compute:
(i) The current passing through 3Ω resistor.
(ii) The charge on the capacitor.

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What do you understand by the term node as applied to electric circuits?.

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Outline three important points which are usually referred as sign convection in solving
Kirchhoff’s second law problems.

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