JEE Main 2025 — Semiconductors Question with Solution
JEE Main 2025 (23 Jan Shift 1)
Question
Refer to the circuit diagram given in the figure. which of the following observations are correct?
A. Total resistance of circuit is
B. Current in Ammeter is 1 A
C. Potential across is 4 Volts.
D. Potential across CD is 4 Volts
E. Total resistance of the circuit is .
Choose the correct answer from the options given below:
Choose an option
Show full solutionCorrect option: A
Correct answer
AA, B and D Only
Step-by-step explanation
Current through ammeter
$\begin{aligned} & \mathrm{V}_{\mathrm{AB}}=0.5 \times 4=2 \mathrm{volt} \\ & \mathrm{~V}_{\mathrm{CD}}=1 \times 4=4 \mathrm{volt} \end{aligned}$ A, B & D are correct
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This is a previous-year question from JEE Main 2025, covering the Semiconductors chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.