The diagram below shows a typical household circuit The appl

The diagram below shows a typical household circuit. The appliances (lights, television, toaster, etc.) are represented by boxes labeling 1, 2, 3, and so on. The fuse, or circuit breaker, shown in the diagram is a switch intended to shut off the circuit automatically if the wires become too hot because of too much current in the circuit. (a) What happens to the current through the fuse when more appliances are added to the circuit? Does it increase, decrease, or stay the same? Explain. (b) Does the current through element #1 change when elements #2 and #3 are added to the circuit? (c) Is this model consistent with your observations of everyday household electricity? For example, what happens to the brightness of a light bulb in a room when a second one is turned on? (d) What may happen to the fuse if too many appliances are added to the circuit? Why?

Solution

A) By adding more appliances the current will decrease at the fuse. As it is using the alternating current for one cycle it goes max. so by adding appliances it wont get any extra amount of current apart from that max. value.

B)Yes it changes when the because the they were connected in parallel . In parallel circuits voltage diff is same but current varies

C)Genrally every household is equipped with Parallel circuit because if one would fail remaining would work. This model is convenient in household.

Brighnerss of the buld remians same .Though the current is different but voltage difference across each buld is same.

D) When adding too many applicanes the fuse wire get shorted due to heavy load and limited consumption