Engineering
Physics
Ohm Law and Current Basics
Basic Circuit Theory and Kirchoffs Law for DC Circuit
Question

The potential difference between the points A and B in the circuit shown is 16 V. Which is/are the correct statement(s) out of the following?

The P.D. across the 2Ω resistor is 7 V.

The current through 4Ω resistor is 2.5 A. 

The current through 3Ω resistor is 1.5 A.

The current through 2Ω resistor is 3.5 A.

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Solution

x91+x02+x198=0

8x72+4x+x198=0

13x = 91

x = 7

i272 = 3.5 A

i4128 = 1.5 A = i3 = i1