Answer: Option (B)
Two cells of emf
and
, internal resistance
and
, connected in parallel. The equivalent emf of the combination is- (A)
(B)
(C)
(D) ![Rendered by QuickLaTeX.com \frac{\varepsilon_{1}+\varepsilon_{2}}{2}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-7bd8cf92ace6afb1008c50a0d447b5b0_l3.png)
![Rendered by QuickLaTeX.com \varepsilon_{1}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-6ff0403b82bcdcef8df816af763c5bba_l3.png)
![Rendered by QuickLaTeX.com \varepsilon_{2}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-91a634fdd5185b229ceba87bc4b14a9e_l3.png)
![Rendered by QuickLaTeX.com r_{1}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-96020cb7914d35539de01e6a03f7c8d1_l3.png)
![Rendered by QuickLaTeX.com r_{2}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-dc1b32b2e19924f130de2f81d6fc3480_l3.png)
![Rendered by QuickLaTeX.com \frac{\varepsilon_{1} r_{1}+\varepsilon_{1} r_{1}}{r_{1}+r_{2}}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-b45faa17316b944da53762a04fd4db34_l3.png)
![Rendered by QuickLaTeX.com \frac{\varepsilon_{1} r_{2}+\varepsilon_{2} r_{1}}{r_{1}+r_{2}}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-038b7fd86ba512a14823c9eb72dc05ab_l3.png)
![Rendered by QuickLaTeX.com \sqrt{\varepsilon_{1} \times \varepsilon_{2}}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-0badad4b5cb06e7d5d53f66be4932bef_l3.png)
![Rendered by QuickLaTeX.com \frac{\varepsilon_{1}+\varepsilon_{2}}{2}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-7bd8cf92ace6afb1008c50a0d447b5b0_l3.png)
Two cells of emf
and
, internal resistance
and
, connected in parallel. The equivalent emf of the combination is- (A)
(B)
(C)
(D) ![Rendered by QuickLaTeX.com \frac{\varepsilon_{1}+\varepsilon_{2}}{2}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-7bd8cf92ace6afb1008c50a0d447b5b0_l3.png)
![Rendered by QuickLaTeX.com \varepsilon_{1}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-6ff0403b82bcdcef8df816af763c5bba_l3.png)
![Rendered by QuickLaTeX.com \varepsilon_{2}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-91a634fdd5185b229ceba87bc4b14a9e_l3.png)
![Rendered by QuickLaTeX.com r_{1}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-96020cb7914d35539de01e6a03f7c8d1_l3.png)
![Rendered by QuickLaTeX.com r_{2}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-dc1b32b2e19924f130de2f81d6fc3480_l3.png)
![Rendered by QuickLaTeX.com \frac{\varepsilon_{1} r_{1}+\varepsilon_{1} r_{1}}{r_{1}+r_{2}}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-b45faa17316b944da53762a04fd4db34_l3.png)
![Rendered by QuickLaTeX.com \frac{\varepsilon_{1} r_{2}+\varepsilon_{2} r_{1}}{r_{1}+r_{2}}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-038b7fd86ba512a14823c9eb72dc05ab_l3.png)
![Rendered by QuickLaTeX.com \sqrt{\varepsilon_{1} \times \varepsilon_{2}}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-0badad4b5cb06e7d5d53f66be4932bef_l3.png)
![Rendered by QuickLaTeX.com \frac{\varepsilon_{1}+\varepsilon_{2}}{2}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-7bd8cf92ace6afb1008c50a0d447b5b0_l3.png)