The non-linear device D in Figure P3.81 has the following transcendental i-v character is tic: i D = I 0 e v D / V thermal where I o = 10 − 10 A and V thermal = 25 m V Assume that V S = 2 V and R = 40 Ω . Determine an expression for the DC load line. Then use an iterative technique lo determine the voltage across and current through D .
The non-linear device D in Figure P3.81 has the following transcendental i-v character is tic: i D = I 0 e v D / V thermal where I o = 10 − 10 A and V thermal = 25 m V Assume that V S = 2 V and R = 40 Ω . Determine an expression for the DC load line. Then use an iterative technique lo determine the voltage across and current through D .
Solution Summary: The author explains the expression for the DC load line and the voltage and current through D.
The non-linear device D in Figure P3.81 has the following transcendental i-v character is tic:
i
D
=
I
0
e
v
D
/
V
thermal
where
I
o
=
10
−
10
A
and
V
thermal
=
25
m
V
Assume that
V
S
=
2
V
and
R
=
40
Ω
. Determine an expression for the DC load line. Then use an iterative technique lo determine the voltage across and current through D.
The circuit shown in Figure P3.35 is a simplifiedDC version of a typical three-wire, three-phase ACY-Y distribution system.Write the mesh (or loop)equations and any additional equations required todetermine the current through R1 in the circuit shown.
A nonideal voltage source is modeled in FigureP3.72 as an ideal source in series with a resistance thatmodels the internal losses, that is, dissipates the samepower as the internal losses. In the circuit shown inFigure P3.72, with the load resistor removed so thatthe current is zero (i.e., no load), the terminal voltageof the source is measured and is 20 V. Then, withRL = 2.7 kΩ, the terminal voltage is again measuredand is now 18 V. Determine the internal resistance andthe voltage of the ideal source.
The equivalent circuit of Figure P3.73 hasVT = 35 V RT = 600Ω If the conditions for maximum power transfer exist,determinea. The value of RL.b. The power developed in RL.c. The efficiency of the circuit
Chapter 3 Solutions
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