The effective capacity of the network between terminals \(\mathrm{A}\) and \(\mathrm{B}\) is:

  

1. \(6~\mu\text{F}~\)
2. \(20~\mu\text{F} ~\)
3. \(3~\mu\text{F}~\)
4. \(10~\mu\text{F}\)

Subtopic:  Combination of Capacitors |
 91%
From NCERT
AIPMT - 1999
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Three uncharged capacitors of capacities \(C_1, C_2~\text{and}~C_3~~\) are connected to one another as shown in the figure.

        

If points \(\mathrm{A}\)\(\mathrm{B}\), and \(\mathrm{D}\), are at potential \(V_1, V_2 ~\text{and}~V_3\) then the potential at \(\mathrm{O}\) will be:
1. \(\frac{V_1C_1+V_2C_2+V_3C_3}{C_1+C_2+C_3}\)
2. \(\frac{V_1+V_2+V_3}{C_1+C_2+C_3}\)
3. \(\frac{V_1(V_2+V_3)}{C_1(C_2+C_3)}\)
4. \(\frac{V_1V_2V_3}{C_1C_2C_3}\)

Subtopic:  Combination of Capacitors |
 90%
From NCERT
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Three capacitors each of capacity \(4\) µF are to be connected in such a way that the effective capacitance is \(6\) µF. This can be done by:

1.  connecting all of them in a series.
2. connecting them in parallel.
3. connecting two in series and one in parallel.
4. connecting two in parallel and one in series.

Subtopic:  Combination of Capacitors |
 89%
From NCERT
AIPMT - 2003
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Three capacitors of capacitances 3 μF, 9 μF and 18 μF are connected once in series and another time in parallel. The ratio of equivalent capacitance in the two cases CsCp will be:

1. 1 : 15

2. 15 : 1

3. 1 : 1

4. 1 : 3

Subtopic:  Combination of Capacitors |
 87%
From NCERT
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Two capacitors of capacitance \(6~\mathrm{\mu F}\) and \(3~\mathrm{\mu F}\) are connected in series with battery of \(30\) V. The charge on \(3~\mathrm{\mu F}\) capacitor at steady state is:
        
1. \( 3 ~ \mu C \)
2. \( 1.5 ~\mu C \)
3. \( 60~ \mu C \)
4. \( 900 ~\mu C\)

Subtopic:  Combination of Capacitors |
 86%
From NCERT
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The equivalent capacitance across \(A\) and \(B\) in the given figure is:

   Find equivalent capacitance between points A and B. the answer will be C.
1. \( \frac{3}{2}C\)
2. \(C\)
3. \( \frac{2}{3}C\)
4. \( \frac{5}{3}C\)

Subtopic:  Combination of Capacitors |
 79%
From NCERT
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Three capacitors each of capacitance C and of breakdown voltage V are joined in series. The capacitance and breakdown voltage of the combination will be:

1. C3V3

2. 3CV3

3. C33V

4. 3C3V

Subtopic:  Combination of Capacitors |
 80%
From NCERT
NEET - 2009
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The equivalent capacitance of the following arrangement is:
               
1. 18 μF
2. 9 μF
3. 6 μF
4. 12 μF

Subtopic:  Combination of Capacitors |
 79%
From NCERT
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The equivalent capacitance between points a and b in the network shown below is:

                          

1. 5C

2. 4C

3. 3C

4. 2C

Subtopic:  Combination of Capacitors |
 79%
From NCERT
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A capacitor of capacity C1 is charged up to V volt and then connected to an uncharged capacitor C2. Then final P.D. across each will be:

1. C2VC1+C2

2. C1VC1+C2

3. 1+C2C1

4. (1-C2C1)V

Subtopic:  Combination of Capacitors |
 79%
From NCERT
AIPMT - 2002
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