It considers the currents at a junction in a circuit and is a consequence of the conservation of charge.
It considers the currents at a junction in a circuit and is a consequence of the conservation of energy.
It considers the electromotive forces and potential differences in a circuit loop and is a consequence of the conservation of charge.
It considers the electromotive forces and potential differences in a circuit loop and is a consequence of the conservation of energy.
by connecting a 
resistor in parallel. The ammeter has an internal resistance of 
.
