In the given figure, the equivalent resistance between the points A and B is :

(1) 8 Ω

(2) 6 Ω

(3) 4 Ω

(4) 2 Ω

Concept Questions :-

Combination of resistors
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An infinite ladder network is arranged with resistances R and 2 R as shown. The effective resistance between terminals A and B is 

(1) ∞

(2) R

(3) 2 R

(4) 3 R

Concept Questions :-

Combination of resistors
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A battery of emf 10 V and internal resistance 3 Ω is connected to a resistor as shown in the figure. If the current in the circuit is 0.5 A. then the resistance of the resistor will be 

(1) 19 Ω

(2) 17 Ω

(3) 10 Ω

(4) 12 Ω

Concept Questions :-

Kirchoff's voltage law
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The potential drop across the 3Ω resistor is 

(1) 1 V

(2) 1.5 V

(3) 2 V

(4) 3 V

Concept Questions :-

Combination of resistors
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In the given figure, potential difference between A and B is 

(1) 0

(2) 5 volt

(3) 10 volt

(4) 15 volt

Concept Questions :-

Kirchoff's voltage law
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If each resistance in the figure is of 9 Ω then reading of ammeter is 

(1) 5 A

(2) 8 A

(3) 2 A

(4) 9 A

Concept Questions :-

Combination of resistors
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Two wires of equal diameters, of resistivities ρ1 and ρ2 and lengths l1 and l2, respectively, are joined in series. The equivalent resistivity of the combination is :

(1) ρ1l1+ρ2l2l1+l2

(2) ρ1l2+ρ2l1l1l2

(3) ρ1l2+ρ2l1l1+l2

(4) ρ1l1ρ2l2l1l2 

Concept Questions :-

Derivation of Ohm's law
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Four resistances of 100 Ω each are connected in the form of square. Then, the effective resistance along the diagonal points is :

(1) 200 Ω

(2) 400 Ω

(3) 100 Ω

(4) 150 Ω

Concept Questions :-

Combination of resistors
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Equivalent resistance between the points A and B is (in Ω) 

(1) 15

(2) 114

(3) 213

(4) 312

Concept Questions :-

Combination of resistors
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In the circuit shown here, what is the value of the unknown resistor R so that the total resistance of the circuit between points P and Q is also equal to

(1) 3 ohms

(2) 39ohms

(3) 69ohms

(4) 10 ohms

Concept Questions :-

Combination of resistors
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High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level: