Questions
A, B and C are voltmeters of resistance R, 1.5R and 3 R respectively as shown in the figure. When some potential difference is applied between X and Y, the voltmeter readings are respectively. Then
detailed solution
Correct option is C
The current flowing in the different branches of circuit is indicated in the figure.VA=IRVB=2I3×32R=IRVC=I3×3R=IR Thus, VA=VB=VCTalk to our academic expert!
Similar Questions
In an electrical cable there is a single wire of radius 9 mm of copper. Its resistance is 5Ω . The cable is replaced by 6 different insulated copper wires, the radius of each wire is 3 mm . Now the total resistance of the cable will be
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