What is the equivalent resistance between A and B 

(1) 23R

(2) 32R

(3) R2

(4) 2 R

Subtopic:  Combination of Resistors |
 77%
From NCERT
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What is the equivalent resistance of the circuit​​​​​​?

           

1. 6 Ω

2. 7 Ω

3. 8 Ω

4. 9 Ω

Subtopic:  Combination of Resistors |
 70%
From NCERT
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The equivalent resistance of the circuit shown in the figure is :

(1) 8 Ω

(2) 6 Ω

(3) 5 Ω

(4) 4 Ω

Subtopic:  Combination of Resistors |
 92%
From NCERT
PMT - 1999
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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

Subtopic:  Combination of Resistors |
 92%
From NCERT
AIIMS - 1999
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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

Subtopic:  Kirchoff's Voltage Law |
 90%
From NCERT
PMT - 2000
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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

Subtopic:  Combination of Resistors |
 68%
From NCERT
PMT - 2000
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If each resistance in the figure is 9 Ω, then the reading of the ammeter is:

1. 5 A

2. 8 A

3. 2 A

4. 9 A

Subtopic:  Combination of Resistors |
 60%
From NCERT
PMT - 2000
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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 

Subtopic:  Derivation of Ohm's Law |
 78%
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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

Subtopic:  Combination of Resistors |
 88%
From NCERT
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Equivalent resistance between the points A and B is (in Ω) 

(1) 15

(2) 114

(3) 213

(4) 312

Subtopic:  Combination of Resistors |
 76%
From NCERT
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