A power supply has a fixed output voltage of 12.0V, but
Chapter 19, Problem 79GP(choose chapter or problem)
A power supply has a fixed output voltage of 12.0 V, but you need \(V_{T}=3.5 \mathrm{~V}\) output for an experiment. () Using the voltage divider shown in Fig. 19–78, what should \(R_{2}\) be if \(R_{1}\) is \(14.5 \Omega\)? (b) What will the terminal voltage VT be if you connect a load to the 3.5-V output, assuming the load has a resistance of 7.0
?
\(\(R_{1}\)\)
\(R_{2}\)
\(14.5 \Omega\)
\(7.0 \Omega\)
\(V_{T}\)
\(12.0 \mathrm{~V}\)
Equation transcription:
Text transcription:
V{T}=3.5{~V}
R{2}
R{1}
14.5 Omega
7.0 Omega
V_{T}
12.0{~V}
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