A parallel-plate capacitor is used as a vibration sensor. The plates have an area of 100cm 2 , the dielectric is air, and the distance between the plates is a function of time given by d ( t ) = 1 + 0.01 sin ( 200 t ) m m A constant voltage of 200 V is applied to the sensor Determine the current through the sensor as a function of time by using the approximation 1 / ( 1 + x ) ≅ 1 − x for x < < 1 . (The argument of the sinusoid is in radians.)
A parallel-plate capacitor is used as a vibration sensor. The plates have an area of 100cm 2 , the dielectric is air, and the distance between the plates is a function of time given by d ( t ) = 1 + 0.01 sin ( 200 t ) m m A constant voltage of 200 V is applied to the sensor Determine the current through the sensor as a function of time by using the approximation 1 / ( 1 + x ) ≅ 1 − x for x < < 1 . (The argument of the sinusoid is in radians.)
Solution Summary: The author calculates the capacitance of a parallel-plate capacitor used as an vibration sensor. The current through the capacitor in terms of time is given by I=(-epsilon _0
A parallel-plate capacitor is used as a vibration sensor. The plates have an area of
100cm
2
, the dielectric is air, and the distance between the plates is a function of time given by
d
(
t
)
=
1
+
0.01
sin
(
200
t
)
m
m
A constant voltage of 200 V is applied to the sensor Determine the current through the sensor as a function of time by using the approximation
1
/
(
1
+
x
)
≅
1
−
x
for
x
<
<
1
. (The argument of the sinusoid is in radians.)
a- Determine fH; and Ho
b- Find fg and fr.
c- Sketch the frequency response for the high-frequency region using a Bode plot and
determine the cutoff frequency.
Ans: 277.89 KHz; 2.73 MHz; 895.56 KHz; 107.47 MHz.
14V
Cw=5pF
Cwo-8pF
Coc-12 pF
5.6kQ
Ch. 40. pF
C-8pF
68kQ
0.47µF
Vo
0.82 kQ
V₁
B=120
0.47µF
www
3.3kQ
10kQ
1.2kQ
=20µF
N
Using D flip-flops, design a synchronous counter. The counter counts in the
sequence 1,3,5,7, 1,7,5,3,1,3,5,7,.... when its enable input x is equal to 1;
otherwise, the counter.
This counter is for individual settings only need the state diagram and need the
state table to use 16 states from So to S15.
: A sequential network has one input (X) and two outputs (Z1 and Z2). An
output Z1 Z2 = 10 occurs every time the input sequence 1011 is
completed. An output Z1 Z2 = 01 occurs every time the input sequence
0101 is completed. Otherwise Z1 Z2 = 0
Find Moore state diagram with minimum number of states:
a) When overlap is allowed.
b) When overlap is not allowed.
I need a step by step printable solution that uses sequences on the same
drawing.
Chapter 3 Solutions
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