0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

The V-I characteristic of a silicon diode is shown in the figure. Calculate the resistance of the diode at
(a) ID=15 mA and
(b) VD=10 V.
828599_f29d7d184b5c41d1b4ed8fb211228d0d.png

Solution
Verified by Toppr

We know that,
Resistance of diode is given vy VI
So, at IV=15mA
From VIcharacteristic equation:
R=(0.80.7)V(2010)mA=10Ω
And,at Vn=10V
I=0
So, R is infinite.

Was this answer helpful?
77
Similar Questions
Q1
The V-I characteristic of a silicon diode is shown in the figure. Calculate the resistance of the diode at
(a) ID=15 mA and
(b) VD=10 V.
828599_f29d7d184b5c41d1b4ed8fb211228d0d.png
View Solution
Q2
The IV characteristic of a silicon diode is shown in the figure. Calculate the resistance of the diode at Ib=15 mA.


View Solution
Q3
The silicon diode shown in the figure is rated for a maximum current of 100mA. Calculate the minimum value of the resistance of the resistor to avoid breakdown of diode R. Assume the forward voltage drop across the diode to be 0.7 V.
393636_c6dd9971879d476b9bbf29cc6e79e200.png
View Solution
Q4
The V-I characteristic of a diode is shown in the figure. The ratio of forward to reverse bias resistance is :
629617_b1af780c046140b684bc71f902ba23e7.png
View Solution
Q5
The forward characteristic curve of a junction diode is shown in Figure.
Calculate the resistance of the diode at:
(1) V=0.5V
(2) I=60mA.
788704_969d6ab8ec884196ba25abbc7fd8ab63.png
View Solution