Physics question and answers for January 13, 2024
- Q Illustration 10 The plates of the capacitor formed by inserting four dielectric slabs as shown have an area equal to S Find the equivalent capacitance between A and B if...
- Q urrent comes out from positive terminal of battery energy is supplied by the battery to external circuit In this process e inside cell moves from higher potential to lower potential...
- Q A variable capacitor is initially adjusted to its lowest capacitance Co and is connected with a source of constant voltage Vo for a long time Resistance of connecting wire is...
- Q 1 A capacitor of capacitance 400 F is charged upto a potential of 100 volt and another capacitor of capacitance 600 F is charged upto a potential of 200 volt...
- Q 4 Find the equivalent capacitance between point a and b in the following arrangement of plates Each plate has the area A and separation between the plates is d 1...
- Q Four capacitors and a switch are connected in the circuit as shown in the figure Initially switch S is open Now if switch S is closed then charge flown through...
- Q An uncharged capacitor C resistances R R and R 2R cells of emf E E and E E are connected as shown in the figure First switch S is connected...
- Q There are five large conducting plates of equal area A connected such that potential of plates 1 and 4 is same 2 and 5 is same then find equivalent capacitance...
- Q d The driving for 12 When an AC voltage of 220 V is applied to the capacitor C a the maximum voltage between plates is 220 V b the current...
- Q In a circuit shown in figure resistances R and R are known as well as emfs E and Ez The internal resistances of the sources are negligible At what value...
- Q Two identical capacitors A and B charged to the same potential 5V are connected in two different circuits as shown below at time t 0 If the charge on capacitors...
- Q Two charged capacitors have their outer plates fixed and inner plates connected by a spring of force constant K The charge on each capacitor is q Find the extension in...
- Q A parallel square plate capacitor of side a is connected to a cell of emf 3 volt A dielectric of mass m 0 1 kg and dielectric constant K initially...
- Q 4 A 900 pF parallel plate capacitor is charged by 100 V ideal battery The space between the plates is 1cm How much electrostatic energy is stored per unit volume...
- Q A slab of material of dielectric constant 3 has the same are 3 A as the plates of parallel plate capacitor and thickness where d is plate separation The new...
- Q Minimum number of capacitors each of 8 F and 250 V used to make a composite capacitor of 8 F and 1000 V is 6 8 16 32
- Q 2 A 3uF capacitor is charged to a potential of 100 V and 2 F capacitor is charged to 100 V The capacitors are then connected in parallel with plates...
- Q 8 The reactance of a capacitance C is X If both the frequency and capacitance be doubled then new reactance will be a X c 4X d X 4 b...
- Q In the circuit shown find C if the effective capacitance of the whole circuit is to be 0 5 F All values in the circuit are in F 1 Options...
- Q 17 Two capacitor with initial charges CV and 2CV as shown in figure are connected across an inductor o inductance L Find time period of oscillation and maximum current sions...
- Q 10 An ideal air filled parallel plate capacitor consists of two circular plates each of radius 0 30 mm How far apart should the plates be for the capacitance to...
- Q A 5 00 nF parallel plate capacitor contains 25 0 p of stored euerg a W potential difference across the capacitor b Bly how many volts would increase this potential...
- Q The figure shows an arrangement of fou parallel conducting plate of area A each All the plates are equally separated by d The plates A and D are joined togethe...
- Q in the circuit shown V 12Volts Ri 70 R 1950 and C 50uFarads the capacitor is initially uncharged Determine the charge on the capacitor aher the switch has been closed...
- Q A parallel plate capacitor with air between plates has capacity of 1 pF Now plates are moved apart with insulating handle so that separation is twice of original value The...
- Q 30 180 Mark for Review Unchanged A slab of material of dielectric constant 3 has the same area A as the plates of parallel plate capacitor 3 and thicknessd where...
- Q Two capacitors 2 F and 4 F are connected in parallel A third capacitor of capacitance 3 F is connected in series This combination is connected across a 12 V...
- Q A parallel plate capacitor has each plate area A and separation d Charge Q is given to positive plate of capacitor The force on each plate of capacitor is 0...
- Q A capacitor of capacitance 10 F is charged to 40 V and second capacitor of capacitance 15 F is charged to 30 V If they are connected in parallel with...
- Q 60 An insulator plate is passed through the plates of a capacitor Then current outside the capacitor A B 1 First flows from A to B and then from B...
- Q A parallel plate capacitor has a plate area of 0 3m and a plate separation of 0 1 mm If the charg on each plate has a magnitude of 5x10...
- Q In figure a potential of 12V is given to point A and point B is earthed If the potential at the point P is x and charge on 4 F...
- Q Two condensers of capacities 2C and C are joined in parallel and charged up to potential V The battery is removed and the condenser C is filled completely with a...
- Q For the circuit shown in the figure potential across capacitor of capacitance Cis HHHI C 5V 20 wwww 602 20 V O 5 V O 10 V 492
- Q In the circuit shown each capacitor has a capacitance C The emf of the cell is e If the switch S is closed Then select correct statement s A some...
- Q In the given figure potential at different points are given Choose the correct option s A potential at point O is 36 V 11 B potential at point O is...
- Q A dielectric slab K 4 is put between the plates of a charged parallel plate capacitor If charge on the positive plate of the capacitor is Q then the induced...
- Q Charges Q and Q are given to two plates of a parallel plate capacitor The capacity of the capacitor is C When the switch is closed mark the incorrect statement...
- Q In figure the charges on C C and C3 are Q Q and Q3 respectively Then which of the following option is correct A Q 8 C B Q3 12...
- Q A parallel plate capacitor has plates of area A separated by distance d between them It is filled with a dielectric which has a dielectric constant that varies as k...
- Q the R C circuit as shown initially capacitor is charged to potential Vo with polarity as shown Switch Sis closed at f 0 At f to current through Ris half...
- Q Two capacitors C 1 F and C 2 F are connected in series as shown in figure Their breakdown voltages are 12 kV and 8 kV respectively C C Find...
- Q 20 Two point charges q 3 C and q 3 C are located 20cm apart in vacuum a What is the electric field at the mid point O of the...
- Q Three capacitors A B and C are connected with battery of emf All capacitors are identical initially If dielectric slab is inserted between plates of capacitor C slowly with help...
- Q A capacitor is kept connected to the battery and a dielectric slab is inserted between the plates During this process MP PMT 1994 a No work is done b Work...
- Q A capacitor consists of two fixed semicircular plates of radius R and a movable slab of thickness d and dielectric constant k placed between then The slab can freely rotate...
- Q 0 In all other cases A parallel plate capacitor contains a mica sheet thickness 10 3 m and a sheet of fibre thickness 0 5 10 m The dielectric constant...
- Q A capacitor of capacity C is charged to the potential of V On disconnecting with battery It is connected with a capacitor of capacity C as shown in figure The...
- Q For the circuit shown in the figure initially capacitor C is uncharged Switch S is closed at t 0 Vo 0 10 At t to potential across capacitor is Vo...
- Q Two metal plates form a parallel plate capacitor The distance between the plates is d A metal plate of thickness b d 2 and same area is inserted completely between...
- Q In the figure shown the capacitor of capacitance C is initially uncharged and the switch S is closed at t 0 At a later time t t the charge in...
- Q As shown the capacitors are charged to a potential difference of 100 V but with opposite polarity After switches S and S are closed what amount of charge goes through...
- Q Seven A and successive separation d are arranged as shown in figures The effective capacitance of the system between P Q is 1 2 3 P 780A d 6E0A d...
- Q A parallel plate capacitor is of area 6 cm and a separation 3 mm The gap is filled with three dielectric materials of equal thickness see figure with dielectric constants...
- Q o 0 in case if no response is typed selected In the circuit shown in the figure 1 12 ls la denote current in the branches Choose the correct option...
- Q C 0 D None 39 Capacitance of a parallel plate capacitor increases three times when the air medium in b the capacitor was replaced by oil Dielectric constant of the...
- Q Three identical square plates each of surface area A are arranged as shown in the figure Plates 1 2 and 3 are given charges 2Q Q and Q respectively Find...
- Q iii 100 plates each of area A are arranged with the separation of d between each of them Even plates are connected to a potential of 50 volt and odds...
- Q A The capacitance of a capacitor is the magnitude of net charge present on the two platen the potential difference between the plates B The equivalent capacitance of two capacitors...
- Q A parallel plate capacitor is to be designed with a voltage rating 1 kV using a material of dielectric constant 3 and dielectric strength about 107 Vm Dielectric strength is...
- Q 6 A capacitor is made of a flat plate of area A and a second plate of stair like structure as shown in the figure The area of each stair...
- Q Initially switch S is open in the given circuit If it is closed then 1 HT HH C C A B 3 Charge CV 3 CV 6 V Charge to...
- Q This section contains 35 SINGLE questions Each question has 4 choices 1 Read More he circuit shown in the figure the charge stor capacitor of capacitance 30 F is 15...
- Q citors i e parallel series for combination o f dielectrics capacitors Eg Here in this question why C2 and C3 are in series with themselves and parallel with C1 4...
- Q A parallel plate capacitor filled with air has a plate area A plate separation d and a capacitance C A flat slab of metal with a similar cross sectional area...
- Q Five identical conducting plates each of face area A are arranged as shown in figure If a potential difference of Vo is created between plate A and C then the...
- Q In the circuit shown initially there is no charge on capacitors and keys S and S are open The values of the capacitors are C 10 F C 30 F...
- Q Consider a LC circuit with energy E Now the capacitor plates are slow drawn apart to increase the oscillation frequency 3 times The work done in this process is nE...
- Q If in the circuit shown below The internal resistance of the battery is 1 52 and V and V are the potentials at P and Q respectively the potential difference...
- Q The area of the plates of a parallel plate capacitor is A and the gap between them is d The gap is filled with a non homogeneous dielectric whose dielectric...
- Q Q3 An electron enters the region of a uniform electric field E 300 N C The E field set up by parallel plate capacitors is directed vertically upward The initia...
- Q 15 16 C QS The equivalent resistance between A and G is 3R A 4 7R 12 QE Tags QT COM CA B CC P100208 FACID PVJ RELEXAM PS A...
- Q notation A charged particle having q and mass m accelerated by a potential difference Vo enters inside a parallel plate capacitor parallel to length I of plates at midpoint of...
- Q Volume Charge Filled in a Capacitor A parallel plate capacitor filled with a uniform volume charge density between plates of area A and separation d If a constant potential difference...
- Q 41 Two conductors of thickness d are inserted inside a parallel capacitor of thickness 3d and capacitance Co The capacitance of new arrangement is de d 3d 1 Co 2...
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