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Standard XII
Physics
Zener Diode
Question
Find the maximum zener current for the zener diode as shown in figure. Given,
V
Z
=
6
V
,
R
Z
=
1.5
Ω
,
R
=
400
Ω
35.00
m
A
30.87
m
A
34.87
m
A
34.87
A
A
30.87
m
A
B
35.00
m
A
C
34.87
A
D
34.87
m
A
Open in App
Solution
Verified by Toppr
Here,
I
T
=
I
Z
+
I
L
Thus, the zener current will be maximum when
I
L
=
0
for infinite load resistance. So,
I
T
=
I
Z
(
m
a
x
)
By Kirchhoff's voltage law,
V
i
n
−
V
Z
=
(
R
+
R
Z
)
I
T
Thus,
I
Z
(
m
a
x
)
=
I
T
=
V
i
n
−
V
Z
R
+
R
z
=
20
−
6
400
+
1.5
=
34.87
m
A
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3
Similar Questions
Q1
Find the maximum zener current for the zener diode as shown in figure. Given,
V
Z
=
6
V
,
R
Z
=
1.5
Ω
,
R
=
400
Ω
View Solution
Q2
Find the minimum load resistance which can be used for the zener diode as shown in figure. Given,
V
Z
=
10
V
,
R
Z
=
0
Ω
,
R
=
450
Ω
,
I
Z
(
m
i
n
)
=
2
m
A
and
I
Z
(
m
a
x
)
=
60
m
A
View Solution
Q3
Consider the Zener voltage regulator shown in the figure below.
The zener diode has
V
z
=
10
V
,
I
z
(
min
)
=
5
m
A
a
n
d
I
z
(
max
)
=
24
m
A
.
The range of value of the load current
I
L
is
View Solution
Q4
Current flowing in a Zener diode as shown in circuit is:
(Given diode is an ideal and
V
Z
=
4
V
)
View Solution
Q5
From the zener diode circuit shown in figure, the current through the zener diode is:
View Solution