Use app×
QUIZARD
QUIZARD
JEE MAIN 2026 Crash Course
NEET 2026 Crash Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
143 views
in Physics by (89.5k points)
closed by
L,C तथा R श्रेणी परिपथ के सिरों पर वाल्टता क्रमशः 50 V, 20 V एवं 40 वोल्ट है | ज्ञात कीजिये -(i) प्रत्यावर्ती स्त्रोत की वोल्टता (ii) परिपथ में धारा तथा वोल्टता के बीच कलांतर

1 Answer

0 votes
by (89.5k points)
selected by
 
Best answer
(i) स्त्रोत के वोल्टता
`V = sqrt(V_(R)^(2) + (V_(L) ~ V_(C))^(2))`
` = sqrt((40)^(2) + (50 ~ 20)^(2))`
` = sqrt((40)^(2) + (30)^(2))` = 50 वोल्ट
(ii) `tan phi = (X_(L) ~ X_(L))/(R )`
` = (V_(L) ~ V_(C ))/(V_(R))`
` = (50-20)/(50) = (3)/(5)` = 0.6
`therefreo phi = tan^(-1) (0.6)`
(iii) शक्ति गुणांक `cos phi = (R)/(2)=(V_(R ))/(V) = (40)/(50) = 0.8`

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

...