Ask Question The electric charges move from the energy source through the buzzer and back to … A threefold increase in the resistance of an electric circuit will result in a threefold decrease in the electric current. Using Kirchhoff’s laws, you can simplify a network of resistors using a single equivalent resistor. Basic AC electrical circuits for the lamp have a cell, a light, and a switch. It’s all about circuit elements such as branches, nodes, and loops. Answer Save. In other words, a branch represents any two-terminal element. Get your answers by asking now. 0 0. Example- conducting wires that allow the electricity to pass through and C) a load. Single phase electric power or circuit refers to the distribution of alternating current electric power using a system in which all the voltages of the supply vary in corresponding exactly. ing all electrical phenomena. Still have questions? An Introduction to Electric Circuits is essential reading for first year students of electronics and electrical engineering who need to get to grips quickly with the basic theory. Also, the most basic quantity in an elec-tric circuit is the electric charge.We all experience the effect of electric 1.3 600,000,000 mm 600,000 m 600 km 1.2 ale80571_ch01_002-028.qxd 12/2/11 12:20 PM Page 5 This is because there is a continuous path of metal for the electric current to flow around. 1 decade ago. Example- battery B) a line. What are three basic features all electric circuits must have? A direct-current circuit carries current that flows only in one direction. The circuit in Figure 1 has five branches, namely, the 10V voltage source, the 2A current source, and the three resistors. When doing circuit analysis, you need to know some essential laws, electrical quantities, relationships, and theorems. This text is a comprehensive introduction to the topic and, assuming virtually no knowledge, it keeps the … Ohm’s law is a key device equation that relates current, voltage, and resistance. Electric circuits are classified in several ways. You can also do the same type of calculation to obtain […] For making a circuit, these components are connected with metal connecting wires. wires, a battery/power supply and a component which is using the energy from the battery/power supply. When the switch is closed, the lamp lights up. Favorite Answer. Relevance. prickle13. What happens to the electric charges in this circuit? A miniature light bulb with a specific resistance is connected to a 1.5-Volt battery to form a circuit. Single Phase power circuits. What are the three basic features all electric circuits must have? When an electric circuit operates, a buzzer makes a sound. 1 Answer. 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