Q.

In the circuit shown in figure, R1=R2=R3=3Ω and e.m.f. of each cell is E = 4V and negligible internal resistance. All ammeters are ideal. Match the following 

Question Image
COLUMN-ICOLUMN-II
A)Reading of ammeter A1 in ampere is1)4/3
B)Reading of ammeter A2 in ampere is2)8/3
C)Reading of ammeter  A3 in amphere is3) 4
D)Potential difference between point a and point b in volt is4)zero
 5)2

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

P-1, Q-2, R-3,S-4

b

P-1,Q-3,R-2,S-3

c

P-2,Q-1,R-4,S-5

d

P-1,Q-2,R-4,S-3

answer is D.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

On solving by KVL we get,  i1=ER,i2=ER,i3=ER
i1i2=2ER and  i1i2=0
So, reading of ammeter A1 is E/R=4/3
A2 is 2E/R = 8/3,  A2 is zero and  ΔVab=4V
Question Image 
 

Watch 3-min video & get full concept clarity
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon