To find the current through a specific part of a parallel circuit, you can use Ohm's Law (I=V/R) and Kirchhoff's Current Law (the total current entering a junction is equal to the total current leaving the junction). You will also need to know the voltage of the circuit and the resistance of the specific part you are interested in.
In a series circuit, the components are connected in a single loop, so the current flowing through each component is the same. In a parallel circuit, the components are connected in multiple branches, so the current is split between the branches and the total current is equal to the sum of the currents in each branch.
Yes, you can use a multimeter to measure the current through a specific part of a parallel circuit. Set the multimeter to measure current (amps) and place the probes in series with the component you want to measure. Make sure to select the appropriate range on the multimeter based on the expected current value.
In a parallel circuit, adding more components will decrease the overall resistance and increase the total current. This is because the more branches there are in the circuit, the more paths the current can take, resulting in less resistance and therefore a higher current flow.
No, the current through a specific part of a parallel circuit can never be greater than the total current. This is due to Kirchhoff's Current Law, which states that the total current entering a junction is equal to the total current leaving the junction. In a parallel circuit, the total current is split between the branches, so the sum of the currents in each branch can never exceed the total current.