Mathematics · Circuit Theory
The value of a series resistor required to limit the current through an electric bulb to 40 mA with a forward voltage drop of 4 V when connected to a 16 V supply is ________.
- 1300 Ω✓
- 21000 Ω
- 3100 Ω
- 420 Ω
Correct answer
300 Ω
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Preparing for Mathematics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Want more practice questions on Circuit Theory?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Mathematics · Circuit Theory