JEE MAIN - Physics (2025 - 23rd January Morning Shift - No. 13)
Refer to the circuit diagram given in the figure. which of the following observations are correct?
A. Total resistance of circuit is $6 \Omega$
B. Current in Ammeter is 1 A
C. Potential across $A B$ is 4 Volts.
D. Potential across CD is 4 Volts
E. Total resistance of the circuit is $8 \Omega$.
Choose the correct answer from the options given below:
_23rd_January_Morning_Shift_en_13_1.png)
B, C and E Only
A, C and D Only
A, B and C Only
A, B and D Only
Explanation
_23rd_January_Morning_Shift_en_13_2.png)
_23rd_January_Morning_Shift_en_13_3.png)
Current through ammeter $=1 \mathrm{~A}$
$$ \mathrm{R}_{\text {net }}=6 \Omega $$
_23rd_January_Morning_Shift_en_13_4.png)
$$ \begin{aligned} & \mathrm{V}_{\mathrm{AB}}=0.5 \times 4=2 \mathrm{volt} \\ & \mathrm{~V}_{\mathrm{CD}}=1 \times 4=4 \mathrm{volt} \end{aligned} $$
$\mathrm{A}, \mathrm{B} \& \mathrm{D}$ are correct
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