A bulb is connected to a switch, using a conductor.(i) Will the bulb

1.	A bulb is connected to a switch, using a conductor.(i) Will the bulb glow if switched on? Why?
Answer» The bulb will not glow There is no potential difference between P and Q. Hence there is no flow of current and the bulb does not flow. Potential Difference and Current: There should be a potential difference between two points of a conductor if there is to be flow of current between them. Current flows from a point of high electric potential to a point of low electric potential. The unit of potential difference is volt (V). Voltameter is the device to measure this. If 1 joule of work is done to move one coulomb charge from one point to another, then the potential difference between the points is 1 volt.

A bulb is connected to a switch, using a conductor.(i) Will the bulb glow if switched on? Why?

Answer»

The bulb will not glow There is no potential difference between P and Q. Hence there is no flow of current and the bulb does not flow.

Potential Difference and Current: There should be a potential difference between two points of a conductor if there is to be flow of current between them. Current flows from a point of high electric potential to a point of low electric potential.

The unit of potential difference is volt (V). Voltameter is the device to measure this. If 1 joule of work is done to move one coulomb charge from one point to another, then the potential difference between the points is 1 volt.

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