Small amount of mineral salt present naturally in water makes it a (a)   of electricity.

Flow of electric charges on particular direction constitute (a)   .

Tap water is a (a)   conductor of electricity.

The closed path through which the current flows is called (a)   .

The deflection of (a)   shows that current is passing in the tester circuit.

Bulb glows due to (a)   effect of electric current.

In electrolysis process of water, oxygen bubbles get formed on the (a)   .

Electroplating of (a)   is done on water taps & bicycle bell to give them a shiny apperance.

Longer lead of LED should be connected to the (a)   terminal of the battery.