MCQ
In the circuit shown, the point ‘$B$’ is earthed. The potential at the point ‘$A$’ is ............. $V$


- A$14$
- ✓$24$
- C$26$
- D$50$

Potential difference between $A$ and $B$ ${V_A} - {V_B} = 2 \times 12$
$ \Rightarrow $ ${V_A} - 0 = 24\,V$ $ \Rightarrow $ ${V_A} = 24\,V$
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Then, for the arrangement as shown in the figure. The value of temperature $T$ of the steel - copper junction in the steady state will be ........... $^{\circ} C$