1012
You visited us
1012
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard X
Physics
Diodes
The V-I chara...
Question
The V-I characteristics of a diode is defined as
i
=
⎧
⎨
⎩
V
−
0.7
500
V
≥
0.7
0
V
<
0.7
The power absorbed by diode is ____mW.
23.56
Open in App
Solution
The correct option is
A
23.56
V
−
V
γ
R
f
=
V
−
0.7
500
∴
V
γ
=
0.7
V
R
f
=
500
Ω
i
=
10
−
0.7
1500
=
6.2
m
A
Power absorbed by diode
=
500
×
6.2
×
6.2
×
10
−
6
+
0.7
×
6.2
×
10
−
3
=
23.56
m
W
Suggest Corrections
0
Similar questions
Q.
A diode made of silicon has a barrier potential of
0.7
V
and a current of
20
m
A
passes through the diode when a battery of emf
3
V
and a resistor is connected to it. The power dissipated across the resistor and diode are
Q.
Of which diode the threshold voltage is approximately 0.7 V?
Q.
In a semiconductor diode, the forward voltage is changed from
0.5
V
to
0.7
V
, then the forward current changes by 1mA. The forward resistance of the diode junction is :
Q.
Calculate the value of
V
0
and
I
if the
S
i
diode and the
G
e
diode start conducting at
0.7
V
and
0.3
V
respectively, in the given circuit.
Q.
Assuming that the silicon diode having resistance of
20
Ω
, the current through the diode is (knee voltage
0.7
V
)
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Diodes
PHYSICS
Watch in App
Explore more
Diodes
Standard X Physics
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app