Which circuit will have the greatest electric current
The one with the lowest impedance (or resistance if constant voltage).
The circuit with the greatest electric current would be the one with the least resistance. According to Ohm's Law (I = V/R), the electric current (I) is directly proportional to the voltage (V) and inversely proportional to the resistance (R). Therefore, a circuit with lower resistance will have a greater electric current.
To determine which circuit will have the greatest electric current, you need to consider the factors that can affect the current in a circuit. The key factor is the voltage applied across the circuit and the total resistance of the circuit.
The electric current flowing through a circuit can be calculated using Ohm's Law: I = V/R, where I is the current in amperes (A), V is the voltage in volts (V), and R is the resistance in ohms (Ω).
1. Voltage: If the voltage applied across multiple circuits is the same, it will not affect the current. However, if the circuits have different voltages, the circuit with the higher voltage will have a higher current. So, if one circuit has a higher voltage than the others, it will have the greatest electric current.
2. Resistance: If the voltage applied is the same across multiple circuits, the circuit with the lowest resistance will have the greatest electric current. According to Ohm's Law, when the resistance decreases, the current increases. So, if one circuit has a lower resistance than the others, it will have the greatest electric current.
In summary, the circuit with the greatest electric current will either have a higher voltage applied across it or a lower resistance compared to other circuits.