Electronic Devices - Semiconductor Diodes - Discussion

Discussion Forum : Semiconductor Diodes - General Questions (Q.No. 21)

Semiconductor Diodes

21.

Calculate static resistance R_D of a diode having I_D = 30 mA and V_D = 0.75 V.

0.04

0.025

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

9 comments Page 1 of 1.

KUNAL SHARMA said: 5 years ago

Using Ohm' law V= iR.
0.75mV= 40 mA * R.
We gets,
R = 25 V/A,
R = 25 ohms.

Sweety said: 5 years ago

@Sathish

How come 30*10-3?

Bindu said: 7 years ago

Thanks @Satish.

Rehh said: 8 years ago

Thanks @Sathish.

Sathish said: 1 decade ago

R = V/I; R = 0.75/(30*10^-3); R = 0.025*10^3; R = 25 ohm.

Aroma said: 1 decade ago

Thanks for fomula vijay.

Kiruba said: 1 decade ago

Thanks vijay

Priti said: 1 decade ago

Thanks for formula.

Vijay said: 1 decade ago

since rd=vd/id,by using the formula ,rd can be calculated

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