Which of the following statements is false?

1. Wheatstone bridge is the most sensitive when all the four resistances are of the same order of magnitude
2. In a balanced Wheatstone bridge if the cell and the galvanometer are exchanged, the null point is disturbed
3. A rheostat can be used as a potential divider
4. Kirchhoff’s second law represents energy conservation
Subtopic:  Wheatstone Bridge |
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In the given circuit, an \(8~\text{V}\) battery powers a network of resistors. The current \(i_1\)​ flows from point \(A\) to point \(C\) through the resistor network. The value of \(i_1\) is:

1. \(2~\text{A}\) 2. \(1~\text{A}\)
3. \(5~\text{A}\) 4. \(4~\text{A}\)
Subtopic:  Wheatstone Bridge |
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Current measured by the ammeter \(A\) in the reported circuit when no current flows through \(10~\Omega\) resistance will be:
     
1. \(20~\text{A}\)
2. \(30~\text{A}\)
3. \(10~\text{A}\)
4. \(0~\text{A}\)
Subtopic:  Wheatstone Bridge |
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The current \(i\) in the given circuit will be:
           
1. \(10\) A
2. \(20\) A
3. \(4\) A
4. \(40\) A
Subtopic:  Wheatstone Bridge |
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A battery of \(6\) V is connected to the circuit as shown below. The current \(i\) drawn from the battery is:
              
1. \(1\) A
2. \(2\)
3. \(\frac{6}{11}~\text{A}\)
4. \(\frac{4}{3}~\text{A}\)
Subtopic:  Wheatstone Bridge |
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For the given electrical circuit, the potential difference between point \(B\) and \(C\) is zero. The value of \(x\) is: 
  
1. \(\dfrac{1}{2}\) \(\Omega\)
2. \(\dfrac{3}{2}\) \(\Omega\)
3. \(\dfrac{2}{3}\) \(\Omega\)
4. \(\dfrac{3}{5}\) \(\Omega\)
Subtopic:  Wheatstone Bridge |
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In the circuit shown, the equivalent resistance between terminals \(A\) and \(B\) is:
  
1. \(3R/2\)
2. \(2R\)
3. \(4R\)
4. \(R\)
Subtopic:  Wheatstone Bridge |
 89%
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