Semiconductor Electronics | JEE Main 2025 Solution| Circuit

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JEE MAIN 2025

23-01-2025 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 $6\Omega$
B. Current in Ammeter is 1 A
C. Potential across AB 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 :

Select the correct option:

A

A, C and D Only

B

A, B and D Only

C

B, C and E Only

D

A, B and C Only

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

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QJEE Advance 20082008

Consider the lines $$ \begin{aligned} & L_1: \frac{x+1}{3}=\frac{y+2}{1}=\frac{z+1}{2} \\ & L_2: \frac{x-2}{1}=\frac{y+2}{2}=\frac{z-3}{3} \end{aligned} $$
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Consider the lines $$ \begin{aligned} & L_1: \frac{x+1}{3}=\frac{y+2}{1}=\frac{z+1}{2} \\ & L_2: \frac{x-2}{1}=\frac{y+2}{2}=\frac{z-3}{3} \end{aligned} $$
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Suppose four distinct positive numbers $\mathrm{a}_1, \mathrm{a}_2, \mathrm{a}_3, \mathrm{a}_4$ are in G.P. Let $\mathrm{b}_1=\mathrm{a}_1, \mathrm{~b}_2=\mathrm{b}_1+\mathrm{a}_2, \mathrm{~b}_3=\mathrm{b}_2+ \mathrm{a}_3$ and $\mathrm{b}_4=\mathrm{b}_3+\mathrm{a}_4$. STATEMENT-1:...

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