A wire of resistance \(R\) is divided into \(10\) equal parts. These parts are connected in parallel, the equivalent resistance of such connection will be:
1. \(0.01R\)
2. \(0.1R\)
3. \(10R\)
4. \(100R\)

Subtopic:  Combination of Resistors |
 63%
From NCERT
PMT - 1973
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In the figure, the value of resistors to be connected between \(C\) and \(D\) so that the resistance of the entire circuit between \(A\) and \(B\) does not change with the number of elementary sets used is:


1. \(R\)
2. \(R(\sqrt{3}-1)\)
3. \(3R\)
4. \(R(\sqrt{3}+1)\)

Subtopic:  Combination of Resistors |
 56%
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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What is the equivalent resistance of the circuit​​​​​?

           

1. \(6~\Omega\)
2. \(7~\Omega\)
3. \(8~\Omega\)
4. \(9~\Omega\)

Subtopic:  Combination of Resistors |
 70%
From NCERT
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If each resistance in the figure is \(9~\Omega\), then the reading of the ammeter is:


1. \(5~\text{A}\)
2. \(8~\text{A}\)
3. \(2~\text{A}\)
4. \(9~\text{A}\)

Subtopic:  Combination of Resistors |
 60%
From NCERT
PMT - 2000
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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 |
 71%
From NCERT
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The total current supplied to the circuit by the battery is:

      

1. \(1~\text{A}\)
2. \(2~\text{A}\)
3. \(4~\text{A}\)
4. \(6~\text{A}\)

Subtopic:  Combination of Resistors |
 65%
From NCERT
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In circuit shown below, the resistances are given in ohms and the battery is assumed ideal with emf equal to \(3\) volt. The voltage across the resistance \(R_4\) is:

1. \(0.4\) V

2. \(0.6\) V

3. \(1.2\) V

4. \(1.5\) V

Subtopic:  Kirchoff's Voltage Law |
 59%
From NCERT
PMT - 2004
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A battery of emf \(E\) and internal resistance \(r\) is connected to a variable resistor \(R\) as shown below. Which one of the following is true​​​​​​?

          

1. Potential difference across the terminals of the battery is maximum when \(R=r\).
2. Power delivered to the resistor is maximum when \(R=r\).
3. Current in the circuit is maximum when \(R=r\).
4. Current in the circuit is maximum when \(R>>r\).
Subtopic:  EMF & Terminal Voltage |
 64%
From NCERT
PMT - 1995
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The current in the arm CD of the circuit will be:
           
1. i1+i2

2. i2+i3

3. i1+i3

4. i1i2+i3

Subtopic:  Kirchoff's Current Law |
 85%
From NCERT
PMT - 1998
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