Yes, it is possible to have a situation where an electrical voltage exists without any electric current flowing. This scenario can occur in certain conditions, such as an open circuit or a disconnected wire.
An electrical circuit typically consists of a power source (e.g., a battery or a generator), conductive wires, and a load (e.g., a light bulb or a motor). When the circuit is closed or connected, a complete path is formed for the electric current to flow. In this case, the voltage provided by the power source causes the movement of electric charges (electrons) through the circuit, creating an electric current.
However, if the circuit is open or there is a gap in the path, no current can flow even if a voltage is present. This can happen, for example, if you disconnect a wire from a circuit or if there is a break in the wiring. In this situation, there is a voltage difference across the open circuit or the disconnected wire, but since there is no continuous path for the electrons to flow, no current will be established.
To summarize, an electrical voltage can exist without an electric current if the circuit is open or the path for the current is interrupted.