Physics · 2021
JEE Main · 17 March 2021, Shift 2 · Q16
The four arms of a Wheatstone bridge have resistances as shown in the figure. A galvanometer of 15 Ω resistance is connected across BD. Calculate the…
The four arms of a Wheatstone bridge have resistances as shown in the figure. A galvanometer of $\displaystyle 15 \Omega$ resistance is connected across BD. Calculate the current through the galvanometer when a potential difference of $\displaystyle 10$ V is maintained across AC.
Official answer
(4)
4.$\displaystyle 87$ mA
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.