Before solving circuits and big networks, we have to know the basic difference between circuits and networks which will help to solve big circuits..
The difference is simple but if you don't know that difference we can't solve big networks easily so lets know the basic difference between circuits and networks.
Circuit is a combination of elements like resistor,inductor and capacitors along with sources but it must be a closed one i.e the current must flow in all components, no component should be left open or not connected in closed path.
In the above circuit three resistors connected to battery so current flows in three resistors and it also has closed path so it is a circuit.
When we come to network it is a combination of circuits and it may also contain open circuit which means some components connected to circuit but don't have current passing through it.
In the above circuit voltage source connected to A and C resistors so it is a circuit but B is an open element it is open circuited. current won't pass through resistor B but voltage will be there between two terminals. so above fig. is network.
So main difference is that in circuits current must pass through all elements but in network current must not pass through all components. circuit should have completely closed path but network must not have closed path condition.
The difference is simple but if you don't know that difference we can't solve big networks easily so lets know the basic difference between circuits and networks.
Circuit is a combination of elements like resistor,inductor and capacitors along with sources but it must be a closed one i.e the current must flow in all components, no component should be left open or not connected in closed path.
In the above circuit three resistors connected to battery so current flows in three resistors and it also has closed path so it is a circuit.
When we come to network it is a combination of circuits and it may also contain open circuit which means some components connected to circuit but don't have current passing through it.
In the above circuit voltage source connected to A and C resistors so it is a circuit but B is an open element it is open circuited. current won't pass through resistor B but voltage will be there between two terminals. so above fig. is network.
So main difference is that in circuits current must pass through all elements but in network current must not pass through all components. circuit should have completely closed path but network must not have closed path condition.
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