Questions and Answers
What does the abbreviation AC stand for?
In making a permanent electronic connection, use a?
Soldering iron
When current flow is interrupted by a blown fuse, the circuit becomes?
Open
A standard multimeter does not measure?
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This is a symbol for a ? [ ]||[
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Utility company power lines carry what kind of current?
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When measuring resistance with a multimeter, you should?
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In this schematic, the total resistance is?
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Electrical current flowing from one component to the next is an example of what kind of circuit?
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When wires conductors are coated with solder, the process is called?
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In order to make an electric current flow, it is necessary to have?
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A device that converts sound waves to electric current is a?
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Wires are joined together with solder to ensure?
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Which of the following can not be used to store an electrical charge?
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Which of the following is a type of resistance in an AC transformer circuit?
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The type of electricity used to power a car radio is typically?
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Study Notes
Electrical Concepts and Definitions
- AC stands for alternating current, which is a type of electrical current that reverses direction periodically.
- A soldering iron is essential for making permanent electronic connections by melting solder to join components.
- A blown fuse interrupts the flow of current, making the circuit open and preventing current from flowing.
- A standard multimeter does not measure frequency, which is the rate at which current alternates.
- The symbol ]||[ represents a transformer, a device used in circuits to change voltage levels.
- Utility company power lines typically carry alternating current to supply electricity to homes and businesses.
Measurement and Resistance
- When measuring resistance, it is crucial to disconnect power from the circuit to avoid damage to the meter and inaccuracies in readings.
- In a schematic, total resistance might be exemplified as 100 ohms, indicating the combined resistance of the circuit components.
Circuit Types and Components
- Electrical current flowing from one component to another can indicate an open circuit, which is a circuit with a break preventing the flow of electricity.
- Tinning refers to the process of coating wire conducts with solder, improving conductivity and ensuring a firm connection.
- It is necessary to have an ammeter to make an electric current flow, as it measures the amount of current in a circuit.
Devices and Charge Storage
- A microphone is a device that converts sound waves into electric current, allowing sound to be recorded or amplified.
- Joining wires with solder ensures maximum voltage transfer and minimizes resistance at connections.
- A fuse cannot be used to store an electrical charge; its purpose is to protect circuits by breaking the flow when a fault occurs.
- Impedance is a type of resistance specific to AC transformer circuits, combining resistance and reactance.
- The electricity typically used to power a car radio is direct current (DC), as batteries provide a unidirectional flow of electricity.
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Test your knowledge of electronic concepts relevant to the ASVAB exam with these flashcards. Each card presents key terms and their definitions, covering topics from alternating current to circuit behavior. Perfect for quick revisions and understanding essential electronics terminology.