The figure shows three circuits with identical batteries, inductors, and resistors. Rank the circuits according to the current (i1 in circuit 1, i2 in circuit 2, i3 in circuit 3) through the battery (i) just after the switch is closed and (ii) a long time later, greatest first
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
(i)i2>i3>i1i1=0 (ii) i2>i3>i1
b
(i) i2i3>i1
c
(i) i2>i3=i1i1=0 (ii) i2>i3>i1
d
(i) i2=i3>i1i1≠0 (ii) i2>i3>i1
answer is A.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
Just after closing the switch.i1=0,i2=ER,i3=E2R so i2>i3>i1i1=0After a long time closing the switch Here i1=ε2R,i2=εR/2 and i3=εR Hence i2>i3>i1
The figure shows three circuits with identical batteries, inductors, and resistors. Rank the circuits according to the current (i1 in circuit 1, i2 in circuit 2, i3 in circuit 3) through the battery (i) just after the switch is closed and (ii) a long time later, greatest first