a. Voltage is the flow of electrical charge, while current is the potential difference between two points in a circuit.
b. Voltage is the potential difference between two points in a circuit, while current is the flow of electrical charge.
c. Voltage and current are the same thing.
d. Voltage is the energy stored in a circuit, while current is the energy used by the circuit.
Answer: b. Voltage is the potential difference between two points in a circuit, while current is the flow of electrical charge.
