google_ad_client = "ca-pub-6511765315420917"; google_ad_width = 728; Charge (coulombs) is like water volume (liters), voltage is like water pressure (kPa or PSI), current (amps) is like water flow rate (liters per second). By converting our sims to HTML5, we make them seamlessly available across platforms and devices. Very little voltage drop occurs along the wire because of its small resistance. Let’s compare it to something we know --- Water! The electronic–hydraulic analogy (derisively referred to as the drain-pipe theory by Oliver Lodge) is the most widely used analogy for "electron fluid" in a metal conductor. – Let A be the lower potential/voltage terminal – Let B be the higher potential/voltage terminal o Then, voltage across A and B is the cost in energy required to move a unit … //-->. Static Electricity. Unlike the water pump in our river analogy, however, the power plant automatically adjusts to meet the demands of the consumer at the end of the wires. Types of Electricity. To be effective in preventing shock hazards, an appliance ground must connect back to the supply through the neutral wire. Since electric current is invisible and the processes at play in… Electric current flow is proportional to voltage difference according to Ohm's law, and both the bird's feet are at the same voltage.Since current flow is necessary for electric shock, the bird is quite safe unless it simultaneously touches another wire with a different voltage.. Want a scary job? Faucet = Switch. Simulation | Physics and Chemistry by a Clear Learning in High School, Middle School, Upper School, Secondary School and Academy. Voltage. You can operate most appliances at the end of an extension cord without noticeable effects on performance. First we'll cover co… Play Animation. An electric current is a flow of electrons through a conductor (like a copper wire). ga('send', 'pageview');