ohms law....
At constant temparature,the current flowing through any linear conductor is directly propotional to voltage applied across it.
i propotional to v
I =V / R
V = IR (temparature T constant)
As temparature increase the resistance will get decreases for metals.
Kirchhoff current law
The sum of entering currents equal to sum of leaving currents at a node or sum of currents at a node is always zero or sum net rate of flow of charge at a node is zero.
Kirchhoff voltage law
The sum of voltages in a loop is zero or sum of voltage rise is equal to sum of voltage drop in a loop.
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