Forelectric current to flow continuously through the bulb, there mustbe a connec

Question

Forelectric current to flow continuously through the bulb, there mustbe a connection between the positive and the negative terminals ofthe battery. There isno way for electrical energy to flow out of the bulb, so it blocksthe energy flow. Unlikehousehold electricity, low voltage batteries cannot forceelectricity through the bulb without having a returnpath. The bulbin the figure at left is connected to the wrong side of thebattery. Byconnecting to only one terminal the bulb in the figure at left getsonly half as much voltage as the bulb on the right.

Explanation / Answer

Forelectric current to flow continuously through the bulb, there mustbe a connection between the positive and the negative terminals ofthe battery. The picture at the left does not havea complete circuit. Forelectric current to flow continuously through the bulb, there mustbe a connection between the positive and the negative terminals ofthe battery.

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