Physics M.C.Q (1 Marks)

Three identical capacitors are combined differently. For the same voltage to each combination, the one that stores the greatest energy is

In the adjoining figure, four capacitors are shown with their respective capacities and the P.D. applied. The charge and the P.D. across the 4μF capacitor will be

Four capacitors are connected as shown in the figure. Their capacities are indicated in the figure. The effective capacitance between points x and y is (in μF)

Three capacitors of 2.0, 3.0 and 6.0 μF are connected in series to a 10 V source. The charge on the 3.0 μF capacitor is

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

Three capacitors each of 6μF are available. The minimum and maximum capacitances which may be obtained are

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

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

Two identical parallel plate capacitors are connected in series to a battery of 100 V. A dielectric slab of dielectric constant 4.0 is inserted between the plates of second capacitor. The potential difference across the capacitors will now be respectively

Two capacitors of 3pF and 6pF are connected in series and a potential difference of 5000 V is applied across the combination. They are then disconnected and reconnected in parallel. The potential between the plates is

A condenser of capacitance 10 μF has been charged to 100 volts. It is now connected to another uncharged condenser in parallel. The common potential becomes 40 volts. The capacitance of another condenser is

In the circuit shown in the figure, the potential difference across the 4.5mF capacitor is

0.2 Fcapacitor is charged to 600 V by a battery. On removing the battery, it is connected with another parallel plate condenser of 1F. The potential decreases to

A condenser having a capacity of 6mF is charged to 100 V and is then joined to an uncharged condenser of 14 μF and then removed. The ratio of the charges on 6mF and 14mF and the potential of 6mF will be

What is the equivalent capacitance between A and B in the given figure (all are in farad)

In the following circuit, the resultant capacitance between A and B is 1mF. Then value of C is
(a) (b) (c) (d)

The resultant capacitance between A and B in the following figure is equal to

In the connections shown in the adjoining figure, the equivalent capacity between A and B will be

A capacitor having capacitance C is charged to a voltage V. It is then removed and connected in parallel with another identical capacitor which is uncharged. The new charge on each capacitor is now

A 4 μF condenser is connected in parallel to another condenser of 8 μF. Both the condensers are then connected in series with a 12 μF condenser and charged to 20 volts. The charge on the plate of 4 μF condenser is

Two capacitors each of capacity 2 μF are connected in parallel. This system is connected in series with a third capacitor of 12 μF capacity. The equivalent capacity of the system will be

A parallel plate capacitor is made by stacking n equally spaced plates connected alternately. If the capacitance between any two plates is C then the resultant capacitance is

Four plates of the same area of cross-section are joined as shown in the figure. The distance between each plate is d. The equivalent capacity across A and B will be

The capacities and connection of five capacitors are shown in the adjoining figure. The potential difference between the points A and B is 60 volts . Then the equivalent capacity between A and B and the charge on 5μF capacitance will be respectively

Two condensers of capacities 1μF and 2 μF are connected in series and the system is charged to 120 volts. Then the P.D. on 1 μF capacitor (in volts) will be

The equivalent capacitance between A and B in the figure is 1 μF. Then the value of capacitance C is






 

Four capacitors of each of capacity 3μF are connected as shown in the adjoining figure. The ratio of equivalent capacitance between A and B and between A and C will be







 

Two capacitors of equal capacity are first connected in parallel and then in series. The ratio of the total capacities in the two cases will be

Three capacitances of capacity 10 μF, 5 μF and 5 μF are connected in parallel. The total capacity will be

The capacitor of capacitance 4 μF and 6 μF are connected in series. A potential difference of 500 volts is applied to the outer plates of the two capacitor system. The potential difference across the plates of capacitor of 4 μF capacitance is

Two condensers of capacity 0.3 μF and 0.6 μF 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 

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

2μF capacitance has potential difference across its two terminals 200 volts. It is disconnected with battery and then another uncharged capacitance is connected in parallel to it, then P.D. becomes 20 volts. Then the capacity of another capacitance will be

Two capacitors each of 1μF capacitance are connected in parallel and are then charged by 200 volts d.c. supply. The total energy of their charges (in joules) is

A capacitor is charged to 200 volt it has 0.1 coulomb charge. When it is discharged, energy will be