Questions
Three resistances of each are connected to a 2V battery as shown in Fig. Then
a
I1=1A, I2=1A
b
I1=1A, I2=2A
c
I1=2A, I2=2A
d
I1=2A, I2=1A
detailed solution
Correct option is C
The three resistances are in parallel. Their equivalent resistance is given by 1Req=12+12+12⇒Req=23Ω∴ Current I=2V23Ω=3ASince the resistances are in parallel, the potential difference across each resistance is the same = voltage of the battery. Further, since the three resistances are equal, the current through each is the same =I3=3A3=1A. So the correct choice is (c).Talk to our academic expert!
Similar Questions
Figure shows a network of resistances connected to a 2V battery. If the internal resistance of the battery is negligible, current I in the circuit is
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