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

Subtopic:  Combination of Resistors |
 81%
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What is the equivalent resistance between A and B 

1. 23R

2. 32R

3. R2

4. 2 R

Subtopic:  Combination of Resistors |
 77%
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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 |
 71%
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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 |
 91%
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 |
 89%
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 |
 62%
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%
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