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Flashcards: Electronic and Electrical Systems 1 (ENGI1161): Analogue Electronics
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What is a potential divider used for, and what is the formula for calculating the output voltage?
What is a potential divider used for, and what is the formula for calculating the output voltage?
A potential divider is used to obtain a specific fraction of the input voltage. The formula for calculating the output voltage (V_out) is V_out = (R2 / (R1 + R2)) * V_in, based on Ohm's law and the concept of voltage division.
Define current and provide an expression for it. What are its direction and magnitude?
Define current and provide an expression for it. What are its direction and magnitude?
Current is the flow of discrete charges and is given by the expression I= dQ/dt. It has both a direction and a magnitude.
What are the key steps in loop analysis? How is it used to solve for currents and voltages in a circuit?
What are the key steps in loop analysis? How is it used to solve for currents and voltages in a circ...
The key steps in loop analysis involve identifying loops in a circuit, sketching voltages from loop currents, applying Kirchhoff's Voltage Law (KVL) to set up simultaneous equations, and solving for the desired currents and voltages in the circuit. Loop analysis is used to solve for currents and voltages by making use of KVL and the resulting set of simultaneous equations to find the unknown quantities.
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