Answer:

1. What are the main parts of the simple electric circuit?

A. conductor, switch, and load

B. switch, load, and source of energy

C. source of energy, conductor, and switch

D. source of energy, conductor, load, and switch

A circuit is a complete path along which electricity flows. The essential elements in a basic electrical circuit consist of: A source, load, and ground. Electricity cannot flow without a power source (battery), and a load (bulb or resistor-electrical device/ component) and a closed conductive path (wires connecting it). Electrical circuits consist of wires, wire connectors, switches, circuit protection devices, relays, electrical loads, and grounds. The circuit shown below has a power source, fuse, switch, a lamp and wires connecting each into a loop. When the connection is complete, current flows from the positive terminal of the battery through the circuit to the negative terminal of the battery.

Explanation:

This flow of electrons is measured in units called amperes. Amperes or an amp is the unit measure of the strength or rate of flow of electrical current. Electrical resistance describes the amount of opposition there is to the flow of current. The larger the resistance value, the more it fights. Anything that impedes or stops the flow of current raises the circuit resistance. This resistance or opposition of current is measured in Ohms. One volt is the amount of pressure needed to move one amp of current through one ohm of resistance in a circuit.

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