Sarthaks APP
0 votes
in Physics by (51.3k points)

B1, B2 and B3 are three identical bulbs connected as shown in Figure 12.8. When all the three bulbs glow, a current of 3A is recorded by the ammeter A.
(i) What happens to the glow of the other two bulbs when the bulb B1 gets fused?
(ii) What happens to the reading of A1, A2, A3 and A when the bulb B2 gets fused?
(iii) How much power is dissipated in the circuit when all the three bulbs glow together

1 Answer

0 votes
by (259k points)
selected by
Best answer

Hint— (i) The glow of the bulbs B2 and B3 will remain the same.
(ii) A1 shows 1 ampere, A2 shows zero, A3 shows 1 ampere and A shows 2 ampere
(iii) P = V I = 4.5 3 = 13.5 W

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.