In the circuit shown, the point ‘*B*’ is earthed. The potential at the point ‘*A*’ is :

(1) 14 *V*

(2) 24 *V*

(3) 26 *V *

(4) 50 *V*

Concept Questions :-

Combination of resistors

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In the circuit shown below, the cell has an e.m.f. of 10 *V* and internal resistance of 1 *ohm*. The other resistances are shown in the figure. The potential difference ${V}_{A}-{V}_{B}$ is :

(1) 6 *V*

(2) 4 *V*

(3) 2 *V *

(4) –2* V *

PMT - 1997

Concept Questions :-

Combination of resistors

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*A* wire of resistance *R* is cut into ‘*n*’ equal parts. These parts are then connected in parallel. The equivalent resistance of the combination will be :

(1) *nR*

(2) $\frac{R}{n}$

(3) $\frac{n}{R}$

(4) $\frac{R}{{n}^{2}}$

PMT - 1998

Concept Questions :-

Combination of resistors

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The resistance between the terminal points *A* and *B *of the given infinitely long circuit will be** **

(1) $(\sqrt{3}-1)$

(2) $(1-\sqrt{3})$

(3) $(1+\sqrt{3})$

(4) $(2+\sqrt{3})$

PMT - 1998

Concept Questions :-

Combination of resistors

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The current in the given circuit is** **

(1) 8.31 *A*

(2) 6.82 *A*

(3) 4.92 *A *

(4) 2 *A*

PMT - 1999

Concept Questions :-

Combination of resistors

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What is the current (*i*) in the circuit as shown in figure** **

(1) 2 *A*

(2) 1.2 *A*

(3) 1 *A *

(4) 0.5 *A*

AIIMS - 1998

Concept Questions :-

Combination of resistors

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*n* equal resistors are first connected in series and then connected in parallel. What is the ratio of the maximum to the minimum resistance** **

(1) *n*

(2) $\frac{1}{{n}^{2}}$

(3) *n*^{2}

(4) $\frac{1}{n}$

Concept Questions :-

Combination of resistors

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In the figure, current through the 3 Ω resistor is 0.8 *ampere*, then potential drop through 4 Ω resistor is

(1) 9.6 *V*

(2) 2.6 *V*

(3) 4.8 *V*

(4) 1.2 *V*

PMT - 1993

Concept Questions :-

Combination of resistors

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What will be the equivalent resistance between the two points *A *and *D*** **

(1) 10 Ω

(2) 20 Ω

(3) 30 Ω

(4) 40 Ω

PMT - 1996

Concept Questions :-

Combination of resistors

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What is the equivalent resistance between *A *and *B* in the figure below if *R* = 3 Ω** **

(1) 9 Ω

(2) 12 Ω

(3) 15 Ω

(4) None of these

Concept Questions :-

Combination of resistors

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High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level: