Three resistors are connected to form the sides of a triangle ABC, the resistance of the sides AB, BC and CA are 40 ohms, 60 ohms and 100 ohms respectively. The effective resistance between the points A and B in ohms will be 

(1) 32

(2) 64

(3) 50

(4) 200

Subtopic:  Combination of Resistors |
 77%
From NCERT
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Equivalent resistance across terminals \(A\) and \(B\) will be:

1. \(1~\Omega\) 2. \(2~\Omega\)
3. \(3~\Omega\) 4. \(4~\Omega\)
Subtopic:  Combination of Resistors |
 72%
From NCERT
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Two wires of the same dimensions but resistivities ρ1 and ρ2 are connected in series. The equivalent resistivity of the combination is 

(1) ρ1 + ρ2

(2) ρ1+ρ22

(3) ρ1ρ2

(4) 2(ρ1+ρ2)

Subtopic:  Combination of Resistors |
 63%
From NCERT
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A 3 volt battery with negligible internal resistance is connected in a circuit as shown in the figure. The current I, in the circuit will be 

(1) 1/3 A

(2) 1 A

(3) 1.5 A

(4) 2 A

Subtopic:  Combination of Resistors |
 87%
From NCERT
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Find the equivalent resistance between the points a and b 

(1) 2 Ω

(2) 4 Ω

(3) 8 Ω

(4) 16 Ω

Subtopic:  Combination of Resistors | Wheatstone Bridge |
 81%
From NCERT
PMT - 2004
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The potential difference between points A and B is:

         
1. 207 V
2. 407 V
3. 107 V
4. 0

Subtopic:  Wheatstone Bridge |
 74%
From NCERT
PMT - 2004
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In the circuit shown below, The reading of the voltmeter V is 

(1) 12 V

(2) 8 V

(3) 20 V

(4) 16 V

Subtopic:  Kirchoff's Voltage Law |
 60%
From NCERT
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In the circuit shown in the figure, the current flowing in 2 Ω resistance 

(1) 1.4 A

(2) 1.2 A

(3) 0.4 A

(4) 1.0 A

Subtopic:  Combination of Resistors | Wheatstone Bridge |
 66%
From NCERT
PMT - 1989
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In the figure given the value of X resistance will be, when the p.d. between B and D is zero 

(1) 4 ohm

(2) 6 ohm

(3) 8 ohm

(4) 9 ohm

Subtopic:  Wheatstone Bridge |
 81%
From NCERT
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Five resistors of given values are connected together as shown in the figure. The current in the arm BD will be 

(1) Half the current in the arm ABC

(2) Zero

(3) Twice the current in the arm ABC

(4) Four times the current in the arm ABC

Subtopic:  Wheatstone Bridge |
 93%
From NCERT
PMT - 1995
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