The resistors of resistances 2 Ω, 4 Ω and 8 Ω are connected in parallel, then the equivalent resistance of the combination will be :

(1) 87Ω

(2) 78Ω

(3) 74Ω

(4) 49Ω 

Subtopic:  Combination of Resistors |
 83%
From NCERT
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In the circuit, the potential difference across PQ will be nearest to 

(1) 9.6 V

(2) 6.6 V

(3) 4.8 V

(4) 3.2 V

Subtopic:  EMF & Terminal Voltage |
 70%
From NCERT
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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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