## Electrical Systems Training

Class Information
 Tooling U classes are offered at the beginner, intermediate, and advanced levels. The typical class consists of 12 to 25 lessons and will take approximately one hour to complete.
 Class Name: Series Circuit Calculations 200 Description: This class covers the formulas and rules for calculating the values of voltage, current, resistance, and power in direct-current series circuits. Prerequisites: 550110  550120 Difficulty: Intermediate Number of Lessons: 18 Language: English, Spanish

Below are all the competencies and job programs that contain the class Series Circuit Calculations 200. Job programs are our traditional class lists organized according to common job functions. Competencies are our latest job-specific curricula that help tie online learning to practical, hands-on tasks.

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Competencies

Class Outline
• Objectives
• Predicting Electrical Capacity
• Series Circuits
• Current
• Voltage
• Resistance
• Ohm’s Law
• Power
• Power Calculations
• Voltage Drops
• Resistance Values
• Rules for DC Series Circuits
• Solving Series Circuits
• Sample Circuit
• Sample Problem
• Measuring Devices
• Application of Circuit Calculations
• Summary

Class Objectives
• Explain how to predict electrical quantities and capacity in DC series circuits.
• Describe the characteristics of a DC series circuit.
• Describe the characteristics of current in a DC series circuit.
• Describe the characteristics of voltage in a DC series circuit.
• Describe the characteristics of resistance in a DC series circuit.
• Describe the relationship of the variables in Ohm’s Law.
• Describe the characteristics of power in a DC series circuit.
• Use the power wheel to select an appropriate formula.
• Describe the relationship between voltage drops and total voltage.
• Describe the relationship between resistor values and total resistance.
• State the rules for DC series circuits.
• Solve for the unknown value in a DC series circuit.
• Solve for the missing values in a DC series circuit using a schematic drawing.
• Solve for the missing values in a DC series circuit using a table.
• Identify the devices used to measure electrical values in a DC series circuit.
• Describe common applications for circuit calculations.

Class Vocabulary

Vocabulary TermDefinition
A device used to measure current flow.
The shortened term for ampere.
A unit of electrical measurement that describes both an amount of electricity and the time it takes for electricity to travel a certain distance. One amp equals one coulomb per second.
The amount of electricity that can safely flow through a wire without the wire overheating.
A part or component in a circuit that controls the flow of electricity.
The smallest quantity measurement of electrical current. A coulomb may be thought of as a "drop" of electricity.
The flow of electricity. Current is measured in amps.
When power retained by sophisticated electronic devices is removed with a special shorting instrument.
Current that travels in one direction. Direct current does not reverse the direction of flow.
A relationship where a number increases or decreases together with another number at the same ratio. Directly proportional is the opposite of inversely proportional.
The force that pushes electrons through a conductor.
When current passes through separate components in a circuit simultaneously because there is more than one path for current to flow.
When current passes through all components in a circuit one after another because there is only one path for current flow.
A relationship where a number either increases as another decreases or decreases as another increases. Inversely proportional is the opposite of directly proportional.
The amount of power used when 1 amp flows through 1 ohm for 1 second.
The universal truth stating that the sum of the voltages around any closed loop must equal zero.
The part or component in a circuit that converts electricity into light, heat, or mechanical motion. Examples of loads are a light bulb, appliance, or machine.
A device that combines the functions of an ammeter, voltmeter, and ohmmeter.
The unit of measurement for electrical resistance.
The universal truth stating that it takes one volt to push one amp through one ohm.
A device used to measure resistance.
A conductor that directs electricity in a circuit. The path is often copper wire.
The rate at which a device converts electrical energy into another form, such as heat or light. Power is measured in watts.
The opposition to current flow. Resistance is measured in ohms.
A device that restricts current flow and produces work, such as heat.
A route for the flow of electricity that has only one path.
The device that provides electrical power to a circuit. The source is the origin of electricity, such as a battery or power plant.
A unit of voltage or electrical pressure.
A measure of electrical pressure or potential known as electromotive force. Voltage is measured in volts.
The amount of voltage needed to push a given amount of current through a given amount of resistance.
A device used to measure voltage.
A unit of measurement for the wattage or power being used in a circuit. Watts require a change in energy to exist.
The power being used in a circuit. It is measured in watts.
The result of electricity flowing through some type of resistance. Work appears in the form of heat, light, or motion.