
Electronics Concepts and Applications Flashcard
Flashcard
•
Engineering
•
12th Grade
•
Practice Problem
•
Hard
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5 questions
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1.
FLASHCARD QUESTION
Front
A circuit consists of a 12V battery and three resistors in series: 2Ω, 3Ω, and 5Ω. Using Ohm's Law, calculate the total current flowing through the circuit.
Back
1.0 A
2.
FLASHCARD QUESTION
Front
Consider a circuit with a single loop containing a 10V battery, a 4Ω resistor, and a 6Ω resistor. Using Kirchhoff's Voltage Law, determine the voltage drop across the 6Ω resistor.
Back
6V
3.
FLASHCARD QUESTION
Front
A transistor is used in a circuit as a switch. Explain how the transistor operates in the saturation and cutoff regions to function as a switch.
Back
In saturation, the transistor is on; in cutoff, it is off.
4.
FLASHCARD QUESTION
Front
Compare and contrast AC and DC circuits in terms of their applications and efficiency in power transmission. Provide reasoning for why AC is typically used for power distribution over long distances.
Back
AC is used because it can be easily transformed to different voltages.
5.
FLASHCARD QUESTION
Front
In digital logic design, explain how a multiplexer can be used to implement a simple logic function. Consider a 2-to-1 multiplexer and describe its operation.
Back
A multiplexer selects one of many inputs and forwards it to a single output line.
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