A 2 W carbon resistor is color-coded with green, black, red, and brown respectively. The maximum current which can be passed through this resistor is :

Answers (1)

To remember the sequence of colour code -

B B ROY Great Britain Very Good Wife

- wherein

 

power =2W

colour code \rightarrow green black red brown

 

P=I^{2}R\\\\: for \: I_{max }\: \: \: R \: should\: be\: minimum\: from\: \: colour \\\\R_{min}=50\times 10^{2}\Omega

 

I_{max}=\sqrt{\frac{P}{R}}=\sqrt{\frac{2}{50\times 10^{2}}}

=2\times 10^{-2}A

 

I_{max}=20MA

 

Most Viewed Questions

Preparation Products

Knockout JEE Main (Six Month Subscription)

- AI Coach Study Modules, - Unlimited Mock Tests, - Expert Mentorship, - Study Improvement Plan.

₹ 9999/- ₹ 8499/-
Buy Now
Knockout JEE Main (Nine Month Subscription)

- AI Coach Study Modules, - Unlimited Mock Tests, - Expert Mentorship, - Study Improvement Plan.

₹ 13999/- ₹ 12499/-
Buy Now
JEE Foundation + Knockout JEE Main 2024 (Easy Installment)

Personalized AI Tutor and Adaptive Time Table, Self Study Material, Unlimited Mock Tests and Personalized Analysis Reports, 24x7 Doubt Chat Support,.

₹ 3999/-
Buy Now
Knockout VITEEE 2022

An exhaustive program for the complete preparation of Physics Chemistry Mathematics English and Aptitude of VITEEE, Adaptive Time Table, Chapterwise Questions, Concepts Flashcards for Quick and Effective Revision, Unlimited Chapter wise Subject wise and Full mock test for enhancing Speed & Accuracy,.

₹ 2999/- ₹ 1999/-
Buy Now
Knockout BITSAT 2022

An exhaustive program for the complete preparation of Physics Chemistry Mathematics English & Logical Reasoning of BITSAT exam, Adaptive Time Table, Chapterwise Questions, Concepts Flashcards for Quick and Effective Revision, Unlimited Chapter wise Subject wise and Full mock test for enhancing Speed & Accuracy,.

₹ 2999/- ₹ 1999/-
Buy Now
Boost your Preparation for JEE Main 2021 with Personlized Coaching
 
Exams
Articles
Questions