Current Electricity - Result Question 48
51. See the electric circuit shown in the figure.
Which of the following equations is a correct equation for it?
[2009]
(a) $\varepsilon_2-i_2 r_2-\varepsilon_1-i_1 r_1=0$
(b) $-\varepsilon_2-(i_1+i_2) R+i_2 r_2=0$
(c) $\varepsilon_1-(i_1+i_2) R+i_1 r_1=0$
(d) $\varepsilon_1-(i_1+i_2) R-i_1 r_1=0$
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Answer:
Correct Answer: 51. (d)
Solution:
- (d)
Applying Kirchhoff’s rule in loop abcfa $\varepsilon_1-(i_1+i_2) R-i_1 r_1=0$.
