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Byju's Answer
Standard XII
Physics
Zener Diode
In the given ...
Question
In the given circuit, the current through Zener diode is
5
k
3
mA
. The value of
k
is ___
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Solution
The voltage across
500
ohm
resistor is,
V
R
1
=
15
−
10
=
5
V
.
The current through it,
I
=
5
500
=
10
mA
The current through
1500
ohm
resistor is,
I
R
2
=
10
1500
=
20
3
mA
So, the current through Zener diode is
I
Z
=
10
−
20
3
=
10
3
mA
Given,
I
Z
=
5
k
3
mA
∴
k
=
2
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