Match List I with List II in the codes given below the Lists.

List-I
(R-C circuit) List-II
(Time constant)

(P) (1)

(Q) (2) RC

(R) (3) 2RC

(S) (4)

Codes :

P Q R S

(A) 1 2 4 3

(B) 1 2 4 2

(C) 2 1 3 4

(D) 2 1 2 4

A

B

C

D

Question

Match List I with List II in the codes given below the Lists.

	List-I (R-C circuit)		List-II (Time constant)
(P)		(1)
(Q)		(2)	RC
(R)		(3)	2RC
(S)		(4)

Codes :

	P	Q	R	S
(A)	1	2	4	3
(B)	1	2	4	2
(C)	2	1	3	4
(D)	2	1	2	4

A
B
C
D

vinodh kumar · Answer

The correct answer is option B I will elaborate the procedure below in step by step::: Step 1 : If there is any parallel or series combinations of Capacitors are present , then reduce them to single equivalent capacitor. let it be C eq In JEE syllabus, These type of questions will contain only one capacitor after step 1 is done. These are called as Single Time constant Circuits. As they have only one Time constant (meaning that it has only one equivalent capacitor) Step 2 : Make Energy source to Zero ( that is volatge source has to short circuited and current source has to be open circuited ) Step 3 : Now take out capacitor from the circuit and find the equivalent resistance across those two terminals from which you removed the capacitor Let this Equivalent Resistance be R eq so the time constant T is given as T = C eq R eq

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Match List I with List II in the codes given below the Lists. List-I (R-C circuit) List-II (Time constant) (P) (1) (Q) (2) RC (R) (3) 2 RC (S) (4) Codes : P Q R S (A) 1 2 4 3 (B) 1 2 4 2 (C) 2 1 3 4 (D) 2 1 2 4 A B C D

Match List I with List II in the codes given below the Lists.

List-I
(R-C circuit) List-II
(Time constant)

(P) (1)

(Q) (2) RC

(R) (3) 2RC

(S) (4)

Codes :

P Q R S

(A) 1 2 4 3

(B) 1 2 4 2

(C) 2 1 3 4

(D) 2 1 2 4

A

B

C

D

1 Answers

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Match List I with List II in the codes given below the Lists. List-I (R-C circuit) List-II (Time constant) (P) (1) (Q) (2) RC (R) (3) 2 RC (S) (4) Codes : P Q R S (A) 1 2 4 3 (B) 1 2 4 2 (C) 2 1 3 4 (D) 2 1 2 4 A B C D

Match List I with List II in the codes given below the Lists. List-I (R-C circuit) List-II (Time constant) (P) (1) (Q) (2) RC (R) (3) 2RC (S) (4) Codes : P Q R S (A) 1 2 4 3 (B) 1 2 4 2 (C) 2 1 3 4 (D) 2 1 2 4 A B C D

1 Answers

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Match List I with List II in the codes given below the Lists.

List-I
(R-C circuit) List-II
(Time constant)

(P) (1)

(Q) (2) RC

(R) (3) 2RC

(S) (4)

Codes :

P Q R S

(A) 1 2 4 3

(B) 1 2 4 2

(C) 2 1 3 4

(D) 2 1 2 4

A

B

C

D