Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Medical
  • The diode used in the circuit shown in the figure has a constant voltage drop of at all

The diode used in the circuit shown in the figure has a constant voltage drop of \mathrm{0.5\ V} at all currents and a maximumpower rating of \mathrm{100\ milli-watt} . What should be the value of the resistance \mathrm{R}, connected in series with the diode, for obtaining maximum current?

Option: 1

1.5\ \Omega


Option: 2

5\ \Omega


Option: 3

6.67\ \Omega


Option: 4

200\ \Omega


Answers (1)

best_answer

\mathrm{\begin{aligned} &\mathrm{ R=\frac{\text { Voltage drop }}{\text { Current }}} \\ &\mathrm{ \therefore \text { Current in circuit, } I=\frac{P}{V}=\frac{100 \times 10^{-3}}{0.5}=0.2 \mathrm{~A}} \\ &\mathrm{ R=\frac{1}{0.2}=5 \Omega} \end{aligned}}

Posted by

Divya Prakash Singh

View full answer

NEET 2024 Most scoring concepts

    Just Study 32% of the NEET syllabus and Score up to 100% marks

Similar Questions

Trending Articles/News

anam-khan

Amid operational overhaul, NTA shifts office to Minto Road in New Delhi
anam-khan

Students' group, subject experts suggest reforms in JEE, NEET, CUET exams to Nilekani-led task force
anam-khan

MCC NEET UG Counselling 2026 LIVE: Round 3, stray vacancy round schedule out for MBBS, BDS; registration dates

Latest Question