Resistances of 6 ohm each are connected in the manner shown in adjoining figure. With the current 0.5 ampere as shown in figure, the potential difference VPVQ is 

(1) 3.6 V

(2) 6.0 V

(3) 3.0 V

(4) 7.2 V

Subtopic:  Combination of Resistors |
 85%
From NCERT
PMT - 1989
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The equivalent resistance of the arrangement of resistances shown in adjoining figure between the points A and B is 

(1) 6 ohm

(2) 8 ohm

(3) 16 ohm

(4) 24 ohm

Subtopic:  Combination of Resistors |
 89%
From NCERT
PMT - 1990
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In the network of resistors shown in the adjoining figure, the equivalent resistance between A and B is

(1) 54 ohm

(2) 18 ohm

(3) 36 ohm

(4) 9 ohm

Subtopic:  Combination of Resistors |
 90%
From NCERT
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A wire is broken in four equal parts. A packet is formed by keeping the four wires together. The resistance of the packet in comparison to the resistance of the wire will be 

(1) Equal

(2) One fourth

(3) One eight

(4) 116th

Subtopic:  Combination of Resistors |
 57%
From NCERT
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Four resistances are connected in a circuit in the given figure. The electric current flowing through 4 ohm and 6 ohm resistance is respectively 

(1) 2 amp and 4 amp

(2) 1 amp and 2 amp

(3) 1 amp and 1 amp

(4) 2 amp and 2 amp

Subtopic:  Combination of Resistors |
 80%
From NCERT
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In the figure shown, the total resistance between A and B is

(1) 12 Ω

(2) 4 Ω

(3) 6 Ω

(4) 8 Ω

Subtopic:  Combination of Resistors |
 63%
From NCERT
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In the given figure, when key K is opened, the reading of the ammeter A will be

(1) 50 A

(2) 2 A

(3) 0.5 A

(4) 109A

Subtopic:  Combination of Resistors |
 84%
From NCERT
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In the given circuit, the potential of the point E is 

(1) Zero

(2) –8 V

(3) –4/3 V

(4) 4/3 V

Subtopic:  Kirchoff's Voltage Law |
From NCERT
PMT - 2003
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If a resistance R2 is connected in parallel with the resistance R in the circuit shown, then possible value of current through R and the possible value of R2 will be

(1) I3,R

(2) I,2R

(3) I3,R

(4) I2,R

Subtopic:  Kirchoff's Voltage Law |
 75%
From NCERT
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A battery of emf \(10\) V is connected to resistance as shown in the figure below. The potential difference \(V_{A} - V_{B}\)
between the points \(A\) and \(B\) is:

 

1. \(-2\) V

2. \(2\) V

3. \(5\) V

4. \(\frac{20}{11}~\text{V}\)

Subtopic:  Kirchoff's Voltage Law |
 67%
From NCERT
PMT - 1994
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