Physics question and answers for January 10, 2024
- Q ALL A network of four capacitors of capacity equal to C C C 2C C3 3C and C 4C are connected to a battery as shown in the figure The...
- Q 3 10 C and separation 41 Area of one side of each plate is A between consecutive plates is d Emf of the battery connected is V The charge on...
- Q A capacitor is made with a polymeric dielectric having r of 2 26 and a dielectric breakdown strength of 50 kV cm The permittivity rectangular of free space is 8...
- Q 29 Two spherical conductors A and B of radii a and b b a are placed concentrically in air B is given a charge Q and A is earthed The...
- Q 22 If for a coil having L 2 mH current flowing through it is fe then the time at which emf becomes zero is 1 2 s 3 4 s...
- Q A condenser of capacitance 10 F has been charged to 100 V It is now connected to another uncharged condenser in parallel The common potential becomes 40 V The capacitance...
- Q ONCERT example 8 1 A parallel plate capacitor with circular plates of radius 1m has a capacitance of 1nF At t 0 it is connected for charging in series with...
- Q 89 Four capacitors each of capacity 3 uF are conne as shown in the adjoining figure The ratio of equivalent capacitance between A and B and between A and C...
- Q In the circult shown in the figure below C1 21 F C2 40 F C3 21 F and a voltage Vab 38V is applied accross points a and b After...
- Q 3 3 A capacitor of capacitance 5 F is connected to a source of constant EMF of 200V for a long time as shown in figure 3 374 then the...
- Q an refer adva 3 4 The figure 3 375 shows two circuits with a charged capacitor that is to be discharged through a resistor as shown in the figure The...
- Q The energy required to charge a parallel plat condenser of plate separation d and plate are of cross section A such that the uniform electric field between the plates is...
- Q A time varying voltage is applied to the clamps A and B such that voltage across the capacitor plates is as shown in the figure 3 400 Plot the time...
- Q n 6 Three identical capacitors connected in series have an effective capacitance of 2 F If one of the capacitors is removed the effective capacitance becomes 3 F Find the...
- Q 46 A capacitor consists of two stationary plates shaped as a semi circle of radius R and a movable plate made of dielectric with permittivity and capable of rotating about...
- Q 64 A solid conducting sphere of radius R is surrounde by another concentric hollow conducting spher of radius R The capacitance of this assembly proportional to 1 3 R R...
- Q Two identical capacitors are joined in parallel charged to a potential V separated and then connected in series i e the positive plate of one is connected to the negative...
- Q 147 Figure shows three capacitors connected to a 6 supply What is the charge on the 2 F capacitor a 1 C b 2 C c 3 C d 4...
- Q 3 51 A metal ball of radius a is surrounded by a thin concentric metal shell of radius b The space between these electrodes is filled up with a poorly...
- Q 13 in the situation shown in figure the switch is at position I for long time and its has shifted from position I to position 2 at t The current...
- Q 39 In the circuit shown in figure heat developed across 4 22 and 3 2 resistances are in the ratio of a 2 4 3 b 8 4 12 c...
- Q B 101R 100 respectively A battery of emf is A spherical shell capacitor is made of inner and outer radius R and connected between the two shells The approximate energy...
- Q Att 0 the switch S is closed with the capacitor uncharged If C 50 F 50 V and R 5 0 kn how much energy is stored by the capacitor...
- Q Three identical large metal plates of ar ea A are small at distances d and 2d fr om each other Top metal plate is unch arged while other metal plates...
- Q 9 Consider the situation shown in figure The switch S is open for a long time and then clo HH HH S F E Match the Column I and Column...
- Q 1 A capacitor of 2uF is charged as shown in the figure When the switch S is turned to position 2 the percentage of its stored energy dissipated is NEET...
- Q 5 Two large metal plates are originally oriented horizontally and separated by a distance of 3 d A conducting wire joins them and initially plates are uncharged A third identical...
- Q nitial charges on both the capacitors are CV Find change in potential energy of both if a battery is connected as shown Also find the work done by battery C...
- Q 3 The distance between plates of a parallel plate capacitor is 5d The positively charged plate is at x 0 and negatively charged plates is at x 5d Two slabs...
- Q Area of one side of each plate is A and separation between consecutive plates is d Emf of the battery connected is V The charge on plate 2 is A...
- Q In the circuit shown in figure the current gain 100 for a npn transistor what should be the base resistor Rg so that VCE 5V VBE 0 RB www IB...
- Q A charged particle having charge q and mass m accelerated by a potential difference Venters inside a parallel plate capacitor parallel to length of plates at midpoint of its separation...
- Q A capacitor of 10 uF is charged to a potential 50 V with a battery The battery is now disconnected and an additional charge 200 C is given to the...
- Q V dc source It remains connected to the source Using an insulated handle the distance between the plates is doubled and a dielectric slab of thickness 5 mm and dielectric...
- Q V de source It remains connected to the source Using an insulated handle the distance between the plates is doubled and a dielectric slab of thickness 5 mm and dielectric...
- Q Three very large metal plates are given charges as shown in the figure If cross sectional area of each plate is same then final charge distribution on plate C is...
- Q A parallel plate capacitor is charged by certain amount of charge Q The force of interaction between the plates is F If region between the plates is filled by a...
- Q Two identical parallel plate capacitor are placed in series and connected to a constant voltage source of Vo volt If one of the capacitors is completely immersed in a liquid...
- Q A capacitor of capacitance C is charged to V D potential The positive plate of this capacitor is now connected to the negative terminal of Vo potential difference battery and...
- Q A dielectric slab of dielectric constant 4 is inserted between the plates of one of the two identical capacitors as shown in figure to fill the space completely The potential...
- Q A parallel plate capacitor consists of two square plates each of side 4 cm separated by a distance of 4 43 mm The displacement current if potential difference between the...
- Q capacitance C one another as ential at O 10 Find the potential difference V V between the points a and b shown in each part of figure a 6V 24...
- Q Two equal capacitors of capacitance 10 F are connected as shown in figure After one is charged to a potential of 50V and the other is given a charge of...
- Q 67 Few capacitors are connected to a battery of 12V What will be charge on each capacitor in C 5 F 2 F 2 F HH HHH 12V 5 F
- Q As shown in the figure At the steady state find the charges on 1uF and 3 F capacitors respectively 252 ww 1uF HH 352 ww 2 F 18 V 452...
- Q Two metal spheres of radii a and b are connected by a thin wire Their separation is very large compared to their dimensions The capacitance of this system is 1...
- Q An arrangement of a parallel plate capacitor a spring and a battery is shown in the figure One plate of the shown parallel plate capacitor PQ is fixed while the...
- Q c 15 kW d 9 kW 0 A condenser of capacitance 12 F was initially charged to 20V Now potential difference is made 40V The increase in potential energy is...
- Q and C 2 F are charged to a potential difference of 100V but with opposite polarity as shown Switches SiandS are now closed What is the potential difference between points...
- Q 180 O 500 V m Two parallel plates are of potential 20 V and 40 V If the separation between them is 4 cm The electric field between them is...
- Q Three capacitors of 2 F 3 F and 5 F are independently charged with batteries of emf s 5V 20V and 10V respectively After disconnecting from the voltage sources These...
- Q When the switch S is closed Find a the amount of charge flown through the battery b the heat generated in the circuit c the energy supplied by the battery...
- Q You set up the circuit shown in Figure 1 where C 3 20 x 106 F At time t 0 you close the switch and then measure the charge q...
- Q connected as shown in figure If the potential difference across the 7 F capacitor is 6V then which of the following statement s is are correct A B C 12...
- Q QTwo capacitors A and B with capacities 3 F 2 F respectively are charged to a potential difference of 100 V and 180 V respectively The plates of the capacitors...
- Q material of dielectric constant Its electric potential versus position graph is as shown Distance between the two plates is 4 mm The dielectric constant of medium Potential in volts 10...
- Q What is the charge stored on capacitor X if points a and b in the diagram to the right are kept to a potential difference of 36 0 Volts a...
- Q ph Q en current and time during charging of a capacitor by a battery in series with a resistor is shown The graphs are drawn for two circuits R R...
- Q 23 A capacitor of capacitance C 1 0 F charged upto a voltage V 110 Vis connected in parallel to the terminals of a circuit consisting of two uncharged capacitors...
- Q 32 A network of six identical capacitors each of value C is made as shown in the figure The equivalent capacitance between the points A and B is T 1...
- Q Two capacitors of capacitances 3 F and 6 F are charged to a potential of 12 V each They are now connected to each other with the positive plate of...
- Q 228 Five identical plates each of area A are joined as shown in the figure The distance between the plates is d The plates are connected to a potential difference...
- Q 166 Electrostatic Potential and Capa 15 In the given circuit the electric potential of P will be 1 5 V 11V 1 F 2 F 3 F HHAH P 2...
- Q A capacitor is fully charged with the help of a battery and then capacitor is removed and connected to the same voltage battery but in opposite polarity Calculate time required...
- Q X A conducting sphere S of radius 1 cm is connected to a parallel plate air capacitor C of plate area 9 102 m and plate separation 8 85 mm...
- Q Three capacitors C1 C2 C3 whose values are 10 F 5 F and 2 F respectively have breakdown voltages of 10 V 5 V and 2 V respectively for their...
- Q If the capacitor in the circuit shown below was initially uncharged and the switch was closed at t 0 s what is the current in the circuit at t 60...
- Q 52 If area of each plate is A and separation between the plates is d then the reciprocal of capacitance of the arrangement shown in figure will be e 2...
- Q Consider the combination of 2 capacitors C and C with C C when connected in parallel the equivalent capacitance is time 15 4 the equivalent capacitance of the same connected...
- Q 1 How would you establish an instantaneous displacement current of 2A in the space between the two parallel plates of 1uF capacitor a 2 106 Vs c 4 106 Vs...
- Q Two capacitors of capacitance 2 F and 5 F are connected across a 7 V battery in series as shown in figure 2 F 7 V After the 2 capacitors...
- Q shown in the figure The inner shell carries charge Q and outer one is neutral initially switch s is open Now switch is closed 2R R S The capacity of...
- Q Figure shows the graph of the current in a discharging circuit of a capacitor through a resistor of resistance 10 22 i A A i Find the initial potential difference...
- Q Two condensers C 2 one of capacity C and the other of capacity are connected to a V volt battery as shown V L C 1 02 The work done...
- Q In the given circuit calculate the potential difference across the 2 F capacitor in the steady state condition if internal resistance of battery is 1 ohm 10 252 www ww...
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