Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
133 views
in Physics by (92.4k points)
closed by
एक फिलामेन्ट बल्ब (500 W, 100 V) को 230 V की मेन सप्लाई में प्रयुक्त किया जाना है । इसके श्रेणीक्रम में R प्रतिरोध जोड़ने पर यह बल्ब पूणतः ठीक कार्य करता है तथा 500 W शक्ति लेता है का मान है :
A. `13Omega`
B. `230Omega`
C. `46Omega`
D. `26Omega`.

1 Answer

0 votes
by (92.6k points)
selected by
 
Best answer
Correct Answer - d
` I =(500W)/(100V)=5A`
`therefore(230-100)=130=5R`
अथवा `R=26Omega`
image

Related questions

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...