Physics question and answers for January 15, 2024
- Q 2 When two or more capacitors are connected in series across a potential 1 point difference O A the potential difference across the combination is the algebraic sum of the...
- Q What is the energy stored in the capacitor between terminals a and b of the network shown in the figure Capacitance of eache capacitor C 1 F a 12 5...
- Q 5 57 In the circuit shown the key K is closed at t 0 the current through the key at the instant t 10 In 2 is A 2A C...
- Q Consider the given circuit Initially there is no energy stored in inductor and capacitor At t 0 the switch K is closed R www 1 the current through battery just...
- Q 5 The left capacitor is initially charged using a battery of emf 3V and the right capacitor is initially uncharged Find the current in the circuit as a function of...
- Q 9 At an instant the current through the 302 resistor is 3A At this instant a Find the charge across the capacitor b Energy of the capacitor c Force that...
- Q At an instant the current through the 302 resistor is 3A At this instant a Find the charge across the capacitor b Energy of the capacitor c Force that the...
- Q ii a voltmeter reading up to 250 V 16 A hollow sphere has inner and outer radii R and R2 and the resistivity of the material is p Find the...
- Q BEGINNER S BOX 4 Figure shows the graph of the current in a discharging circuit of a capacitor through a resistor of resis 10 02 Find the initial potential difference...
- Q 8 Four identical plates each of area A on one side are arranged as shown The separation between adjacent plates is d The effective capacitance between a and b is...
- Q A capacitor of capacitance C is charged with the help of a 200 V battery It is then discharged through a small coil of resistance wire embedded in a thermally...
- Q Co Co Ro Rotating Fixed Plate Ro 38 It is desired to keep current in discharge process of a capacitor constant For the purpose following three schemes a b and...
- Q 3 44 A capacitor of capacitance C has potential difference E 2 and another capacitor of capacitance 2C is uncharged They are joined to form a closed circuit as shown...
- Q 14 An air filled parallel plate capacitor with the plate area A is connected to a battery of electromotive force V and negligible internal resistance One of the plates is...
- Q Figure I igure II 17 Two parallel plate capacitors of capacitances C and 2C consisting of Tic plates of identical dimensions are connected with an ideal battery of by terminal...
- Q 42 Two identical parallel plate capacitors are connected as shown in the figure Initially both have total charge qo and separation between their plates xo At an instant plates of...
- Q 2 53 The distance between the plates of a charged plate capacitor disconnected from the battery is 5cm and the intensity of the field in it is E 300V cm...
- Q 2 3 Two conducting objects one with charge of Q and a with Q are kept on x axis atx 3 andx 4 respective electric field on the x axis...
- Q Capacity of a parallel plate condenser can be increased by CARRERA OPTIONS MARK FOR REVIEW CLEAR SELECTION OA O B O C DY Increasing the distance between the plates Increasing...
- Q 2 17 A 100 F capacitor is charged to 100V After the charging battery is disconnected The capacitor is then connected in parallel to another capacitor The final voltage is...
- Q No 44 The charge flowing through the cell on closing the key k is equal to e 1 2 4CV 3 43 CV C HIC HIC
- Q Two capacitors are connected with inductor as shown in figure potential difference across the capacitors are VA VB V0 Vc V 7 Initial current in circuit is zero If energy...
- Q A parallel plate capacitor C has a charge q and potential V between the plates Work required to triple the distance between the plates is O CV 12 03 32...
- Q Three capacitors with capacitance equal to 6 F 6 F and 3 F respectively are connected in series with 20 volt line Find the charge on 3 F kunki 6...
- Q 3 Two identical metal plates are given positive charges q and q q 9 If they are now brought close together to form a parallel plate capacitor with capacitance C...
- Q Consider the shown network the capacitor C 6 F has an initial charge C C 4 F and R 80 0 Initially C is uncharged At t 0 the switch...
- Q In the circuit shown in the figure the potential difference between A and B is 100 V The potential difference across the 6 F capacitor is A B 11 40...
- Q A capacitor of capacitance 8 F is connected in a circuit as shown in the figure Charge on the plates of the capacitor is 8 F HH 492 wwww 5...
- Q After a long time switch is swapped from 1 to 2 at t 0 The time when energy on capacitor and inductor will be same for the first time is...
- Q Consider the shown network the capacitor C 30e 6 F has an initial charge q C C 4 C e 1 F and R 80 Initially C is uncharged At...
- Q The capacities of three capacitors are in ratio 1 2 3 Their equivalent capacity when 60 UF connected in parallel is 11 more than that when they are connected in...
- Q Suppose you need a capacitor bank with a total capacitance of 0 750 F withstanding 160 V but you have only 1 50 mF capacitors withstanding 40 V at your...
- Q A parallel plate capacitor is connected to a battery which builds up an electric field of 60 V cm between the plates as shown in figure I Now two initially...
- Q A potential difference of 220 V is maintained across a 12000 2 rheostat as shown in the figure The voltmeter V has resistance of 6000 2 and the point c...
- Q Three uncharged capacitors are connected with a batter as shown in the figure The work done by the battery in fully charging the capacitors will be 6 F 6 F...
- Q 9 Four identical plates of surface area A are placed parallel to each other at equal distance d as shown in the figure The space between 2nd and 3rd is...
- Q A capacitor of capacitance C charge with Qo now it Qo connected across a battery of e m f V C positive plate of capacitor connected with ve end of...
- Q A broadcast circuit can broadcast at 300 Mhz band A condenser of capacitance 2 4 F is available The value of the inductance required for resonant circuit is a 10...
- Q A parallel plate air capacitor is charged by a battery of emf then it is disconnected from the battery and allowed to discharge through a dielectric slab of dielectric constant...
- Q Network shown find the value of capacitance c is the eq uivalent capacitance between points a and b is to be 1 mic ofarad are ready all capacitance are in...
- Q After a long time switch is swapped from 1 to 2 at t O The time when energy on capacitor and inductor will be same for the first time is...
- Q A parallel plate capacitor having circular plates of radius 2 cm has a 100 V DC applied to it plates The plates are separated by 3 cm The space between...
- Q After a long time switch is swapped from 1 to 2 at r 0 The time when energy on capacitor and inductor will be same for the first time is...
- Q Capacitance of a parallel plate capacitor as shown in figure is A P d A 2d 500 Ad
- Q A capacitor is having a capacity of 2 pF Electric potential across the capacitor is changing at the rate of 10 2 V s 1 The displacement current is 2...
- Q as the capacity is equals to c q v EA d k 0A d Then shouldn t the answer be all in this question oose the correct answer The capacity...
- Q such that spring gets compressed by a length x and then released from rest Find the work done on the block A by the spring by the time the spring...
- Q 26 Section AB of an electrical circuit shown in the figure If C 1 F C 2 F E 10 V and VA V 10 V then charge on the...
- Q 2 Two large parallel conducting plates are given charges Q and Q respectively as shown in the figure Find the charge flown through the switch after the switch is closed...
- Q A capacitor with capacitance 1 F and initial stored energy is 0 5 Joule is discharged through a resistance R 1 10 The charge on the capacitor the current through...
- Q A parallel plate capacitor with a Polymide dielectric has a capacitance of 440 nF and plate separation of 2 83 mm What is the magnitude of the greatest charge the...
- Q d is filled with a dielectric of dielectric constant K 2 and thickness d 3 The effective capacitance of the capacitor will be A O 1 6 d 2 3...
- Q We consider a parallel plate capacitor with area S and thickness d as shown in the figure below The dielectric between the plates has a relative permittivity of E 3...
- Q igure I 17 Two parallel plate capacitors of capacitances C and 2C consisting of plates of identical dimensions are connected with an ideal battery of terminal voltage Vas shown in...
- Q THI R C 10 V 16 The figure shows part of a large network in which potentials of some of the points are shown Each capacitor has a capacitance 5...
- Q Equivalent capacitance between points A and B as shown in the following circuit will be 2C 2C 2C 2C 1 C 3 3C A C C 2 20 4 4C...
- Q 2 294 2 38 A capacitor is made of a flat plate of area A and another mF are plate is bent at four points and placed above the flat...
- Q A parallel plate capacitor is charged such that electric field between the plates of capacitor is E The energy density of the capacitor is 2C 1 2 cv E 1...
- Q An uncharged capacitor is fully charged with a battery The ratio of energy stored in the capacitor to the work done by the battery in this process is 1 1...
- Q A parallel plate capacitor of capacitance C has been charged upto potential V The plates of this capacitor are connected to another identical uncharged capacitor The common potential acquired by...
- Q Three uncharged capacitors are connected with a battery a shown in the figure The work done by the battery in fully charging the capacitors will be 6 F 6 F...
- Q A parallel plate capacitor has a uniform el field E in the space between the plates If the distance between the plates is d and the area of each plate...
- Q n identical capacitors are connected in series between points A and B as shown in the figure The effective capacitance between points A and B is C HB CCC AHHHH...
- Q An uncharged parallel plate capacitor having a dielectric constant K is connected to a similar air cored parallel plate capacitor charged to a potential Vo The two share the charge...
- Q 2 The transistor shown in the figure has parameters VTN 0 4 V Kn 0 4 mA V and 2 0 The transistor is biased at Ino 0 8 mA...
- Q In parallel plate capacitor a dielectric slab is tightly inserted and charged by a battery Now capacitor is disconnected from battery and slab is slowly taken out If U was...
- Q The charge on capacitors C C and C3 as shown in the figure ar respectively C 2 F C 4 F C 2 F 100 V 50 C 25 C...
- Q 15 A capacitor of capacitance C is charged by a battery of emfe If polarity of battery is reversed then find the heat dissipated in the circuit E 1 C...
- Q Grouping of Capac charge A combination of capacitors is set up as shown in the figure The magnitude of the electric field due to a point having a charge equal...
- Q The ratio between the energy stored in 5 F capacitor 43 fn s xs fp to the 4 F capacitor in the given figure is mtkZ dk vuc dev 1...
- Q 14 In the circuit the batteries have emf E E 1V E 2 5 V and the resistance R 102 R 20 2 capacitance C 10 F The charge on...
- Q When switch is shifted from 1 to 2 current through R remains same in direction but becomes 5 times The initial charge on capacitor was Q Final charge on capacitor...
- Q The net capacitance between point A and B as shown in the figure is A is plate area A 4 A d K A d O BAA d A K...
- Q A parallel plate capacitor of capacitance Chas been charged upto potential V The plates of this capacitor are connected to another identical uncharged capacitor The common potential acquired by the...
- Q 4 Zero 3 10 m s 21 A capacitor having capacitance 1 F with air is filled with two dielectrics as shown Now capacitance of the system is La 1...
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