1. The equivalent circuit of a ceramic capacitor is modeled by a series connectionof C, R,...
1. The equivalent circuit of a ceramic capacitor is modeled by a series connectionof C, R, L. Draw a log(|Z|) versus log(w) for a capacitor with C=1 uF, R=1 Ohm, L=100 nH. |Z| is the magnitude of the capacitor.
Homework Answers
The impedance of a capacitor, C is given by
The impedance of an inductor, L is given by
The impedance of a resistor, R is given by
Since these are in series, the total impedance will be
Taking the magnitude, we get
Given
So
The impedance will be minimum when
When 
,
At 
At 
Similarly some values are calculated and a table is formed as follows
Using these values we can plot and the plot is shown below
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1. The equivalent circuit of a ceramic capacitor is modeled by a
series connectionof C, R,...
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Answer a, b, c, d
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Answer a, b, c, d
A circuit consists of a resistor R connected in series with a capacitor C, as shown in Fig.1 EL Eo Fig 1. The capacitor C is connected in series with the resistor R The equation which describes this circuit when subject to a step function is given below di 0.3.21-9 dt a) What is the time constant r of this system? b) Assume zero initial condition (0 when r0), find the solution i() of the...
The circuit shown in Figure 3 below shows a R-L-C series circuit with components R= 50 , L = 1 H, and C= 250 uF. This circuit is connected in series to an AC current source ( il ) where instantaneous current is given by it = 28.29 Sin (100t) A. B + VR- C + VC - D ).4C Current source Figure 3 (a) Draw the circuit diagram for this circuit and mark the impedances (3 marks) (b) What...
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