Physics-
General
Easy

Question

To form a composite 16mF, 1000V capacitor from a supply of indentical capacitors marked 8mF, 250V, we require a minimum number of capacitors :

  1. 40    
  2. 32    
  3. 8    
  4. 2    

The correct answer is: 32

Related Questions to study

General
physics-

Four identical capacitors are connected as shown in diagram. When a battery of 6 V is connected between A and B, the charge stored is found to be 1.5 mu divided by C. The value of C1 is :

Four identical capacitors are connected as shown in diagram. When a battery of 6 V is connected between A and B, the charge stored is found to be 1.5 mu divided by C. The value of C1 is :

physics-General
General
physics-

Three plates of common surface area A are connected as shown. The effective capacitance will be

Three plates of common surface area A are connected as shown. The effective capacitance will be

physics-General
General
physics-

The charge on 4 mu F capacitor in the given circuit is .... in mu C :

The charge on 4 mu F capacitor in the given circuit is .... in mu C :

physics-General
parallel
General
physics-

All six capacitors shown are identical. Each can withstand maximum 200 volts between its terminals. The maximum voltage that can be safely applied between A and B is

All six capacitors shown are identical. Each can withstand maximum 200 volts between its terminals. The maximum voltage that can be safely applied between A and B is

physics-General
General
physics-

In the figure a potential of + 1200 V is given to point A and point B is earthed, what is the potential at the point P

In the figure a potential of + 1200 V is given to point A and point B is earthed, what is the potential at the point P

physics-General
General
physics-

The effective capacity between A and B in the figure given is :

The effective capacity between A and B in the figure given is :

physics-General
parallel
General
physics-

The equivalent capacitance between A and B is :

The equivalent capacitance between A and B is :

physics-General
General
physics-

In the circuit shown in figure, each capacitor has a capacity of 3mu F. The equivalent capacity between A and B is:

In the circuit shown in figure, each capacitor has a capacity of 3mu F. The equivalent capacity between A and B is:

physics-General
General
physics-

J Two condensers C1 and C2 in a circuit are joined as shown in figure. The potential of point A is V1 and that of B is V2 The potential of point D will be.

J Two condensers C1 and C2 in a circuit are joined as shown in figure. The potential of point A is V1 and that of B is V2 The potential of point D will be.

physics-General
parallel
General
physics-

Four capacitors are connected in a circuit as shown in the figure. The effective capacitance in mF between points A and B will be

Four capacitors are connected in a circuit as shown in the figure. The effective capacitance in mF between points A and B will be

physics-General
General
physics-

The total capacity of the system of capacitors shown in the adjoining figure between the points A and B is

The total capacity of the system of capacitors shown in the adjoining figure between the points A and B is

physics-General
General
physics-

Four capacitors are connected as shown in the equivalent capacitance between the points P and Q is

Four capacitors are connected as shown in the equivalent capacitance between the points P and Q is

physics-General
parallel
General
physics-

A capacitor 4mu F charged to 50 V is connected to another capacitor of 2mu F charged to 100 V with plates of like charges connected together. The total energy before and after connection in multiples of (10–2J) is

A capacitor 4mu F charged to 50 V is connected to another capacitor of 2mu F charged to 100 V with plates of like charges connected together. The total energy before and after connection in multiples of (10–2J) is

physics-General
General
physics-

Two condensers of capacity 0.3mu F and 0.6mu F respectively are connected in series. The combination is connected across a potential of 6 volts . The ratio of energies stored by the condensers will be

Two condensers of capacity 0.3mu F and 0.6mu F respectively are connected in series. The combination is connected across a potential of 6 volts . The ratio of energies stored by the condensers will be

physics-General
General
physics-

In the circuit diagram shown in the adjoining figure, the resultant capacitance between P and Q is

In the circuit diagram shown in the adjoining figure, the resultant capacitance between P and Q is

physics-General
parallel

card img

With Turito Academy.

card img

With Turito Foundation.

card img

Get an Expert Advice From Turito.

Turito Academy

card img

With Turito Academy.

Test Prep

card img

With Turito Foundation.