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G7A04 - What is characteristic of a half-wave rectifier in a power supply?
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December 15, 2025
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G7A03 - Which type of rectifier circuit uses two diodes and a center-tapped transformer?
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December 15, 2025
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G7A02 - Which of the following components are used in a power supply filter network?
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December 15, 2025
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G7A01 - What is the function of a power supply bleeder resistor?
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December 15, 2025
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G6B06 - What kind of device is an integrated circuit operational amplifier?
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December 15, 2025
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G6A12 - What is the primary purpose of a screen grid in a vacuum tube?
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December 15, 2025
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G6B12 - Which of these connector types is commonly used for low frequency or dc signal connections to a transceiver?
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December 15, 2025
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G6B05 - What is an advantage of using a ferrite core toroidal inductor?
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December 15, 2025
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G6B11 - What is an SMA connector?
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December 15, 2025
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G6B04 - What is a typical upper frequency limit for low SWR operation of 50-ohm BNC connectors?
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December 15, 2025
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G6A10 - Which element of a vacuum tube regulates the flow of electrons between cathode and plate?
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December 15, 2025
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G6B10 - How does a ferrite bead or core reduce common-mode RF current on the shield of a coaxial cable?
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December 15, 2025
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G6B03 - Which of the following is an advantage of CMOS integrated circuits compared to TTL integrated circuits?
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December 15, 2025
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G6A09 - Which of the following describes MOSFET construction?
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December 15, 2025
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G6B08 - How is an LED biased when emitting light?
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December 15, 2025
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G6B02 - What is meant by the term MMIC?
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December 15, 2025
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G6A08 - Which of the following is characteristic of low voltage ceramic capacitors?
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December 15, 2025
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G6B07 - Which of the following describes a type N connector?
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December 15, 2025
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G6B01 - What determines the performance of a ferrite core at different frequencies?
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December 15, 2025
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G6A07 - What are the operating points for a bipolar transistor used as a switch?
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December 15, 2025
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G6A06 - Why should wire-wound resistors not be used in RF circuits?
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December 15, 2025
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G5B11 - What is the ratio of PEP to average power for an unmodulated carrier?
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December 15, 2025
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G5B05 - How many watts are consumed when a current of 7.0 milliamperes flows through a 1,250-ohm resistance?
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December 15, 2025
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G6A05 - What is the approximate forward threshold voltage of a silicon junction diode?
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December 15, 2025
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G6A04 - Which of the following is characteristic of an electrolytic capacitor?
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December 15, 2025
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G6A03 - What is the approximate forward threshold voltage of a germanium diode?
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December 15, 2025
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G6A02 - What is an advantage of batteries with low internal resistance?
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December 15, 2025
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G6A01 - What is the minimum allowable discharge voltage for maximum life of a standard 12-volt lead-acid battery?
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December 15, 2025
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G5C13 - Which of the following components should be added to a capacitor to increase the capacitance?
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December 15, 2025
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G5C07 - What transformer turns ratio matches an antenna’s 600-ohm feed point impedance to a 50-ohm coaxial cable?
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December 15, 2025
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