In the following circuit, V1= 1 V, L1= 1 H, R1= 10, C1=1 F and R2= 1 Q. At t=0, initial current of inductor is 0 A and initial voltage of capacitor is 0 V. At t=0 s the switch S is put in the x position. After one second (i.e. at t= 1 s), the switch is put in position y and stays there. Calculate the value of 12(t) at t=2s. -V1 L1 m O SX R1 HE =C1 √₂0 R2 27
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- A capacitor of capacity C₁ is charged upto V volt and then connected in parallel to an uncharged capacitor of capacity C₂. The final potential difference across each will be (a) (c) C₂V G₁ + C₂ (1+2) GV G + C₂ (4) (1-²) v (b)For R1=8000 Q, R2=9000 Q, R3=7000 Q, R4=8000 , C1=0.002 F, C2=0.004 F & 1=0.002 A in the shown circuit, obtain the energy stored in each capacitor under dc conditions. C2 R4 I1 ER3 ŽRI C1= Energy stored in C1 (in Joule)= Energy stored in C2 (in Joule)= wwFor R1=9000, R2=2000, R3=6000, R4=5000, C1=0.006, C2=D0.002 & 11=0.007 A in the shown circuit, obtain the energy stored in each capacitor under dc conditions. C2 R4 ŽR3 ER2 ŽRI C1= Energy stored in C1= Energy stored in C2=
- A 22-k resistor and a 0.02-F capacitor are connected in series to a 5-V source. How long will it take the capacitor to charge to 3.4 V Select one: a. 0.501 ms b. 0.66 ms c. 0.44 ms d. 0.70 msThe circuit in Figure has been connected for a long time. If the battery is disconnected, how does it take the capacitor to discharge to 1/20 of its initial voltage? Take R₁ = 2.00 Q, R₂=4.00 Q, R3-7.00 Q, R4 = 2.00 Q and C= 5.00 uF and ε = 14.0 V. (Your result must be in us. Include 2 digit after the decimal point and maximum of 2% of error is accepted in your answer.) E R₂ R₂ BACapacitors of 4 µF and 8 μF are connected in parallel. And a capacitor of 24 µF is connected in series with it, then full capacitance, total charge and when 32 volts is supplied. Then find the charge on each capacitor. 4μF 8μF V₁ 32V 244F V2
- An inductor of 230 milli Henry, a capacitor of 15 micro farad and a 200 ohm resistor are in series across a 36 V and 60 Hz voltage source. Find the total current a. 150 mA b. 0.164 A c. 0.2 A d. 170 mA25. Two cells, two resistors and two capacitors are connected as shown in figure. The charge on 2 uF capacitor is 3uF 18V 15V 12 22 2pF (a) 30 uC 26. In the cimuit (b) 20 uC (c) 25 uC (d) 48 uC www wwwThe two parallel plate capacitors (C1 and C2) are initially charged by an external power source and the power source is disconnected later, leaving the two capacitors charged as seen in the figure. The capacitor C1 has dielectric material between its parallel plates. The length of the two parallel plate capacitors are the same. The distance between the parallel plates of the capacitors are also the same. However the width of C1 is 2a whereas the width of C2 is a. The amount of charge stored in C1 is Q1 = 10q. It is also observed that the amount of charge stored in C2 becomes Q2 = 4q if the dielectric material in C1 is removed (and replaced by air). What is the dielectric constant of the dielectric material that is used in C1?
- Which of the following is true when charging a capacitor using a DC source? Current will flow due to the DC source and will charge the capacitor. Once the capacitor is fully charged, it has to be removed from the circuit it will not exceed the voltage of the source to avoid short-circuiting. Since capacitors behave as open circuits when a DC source is applied, there will be no charging current. The charging will happen due to KVL where the voltage of the source will be charged to the capacitor. Current will flow due to the DC source and will charge the capacitor. Once the capacitor is fully charged, it will act as if it is an open circuit. The answer cannot be found on the other choices.A circuit is comprised of an inductor, a capacitor, a battery and a switch. When a he switch is in position "a", the battery is in series with the capacitor, but the inductor is excluded. When the switch is in position "b", the capacitor and the inductor are in series, but the battery is excluded. Two voltmeters and an ammeter have been added to the circuit, as shown. Vc VL Vo > A 8% Part (a) Initially the switch is moved to position "a" where it remains until the capacitor attains its maximum charge. Enter an expression for the maximum charge on the capacitor. Inax = - A 8% Part (b) Once the capacitor is fully charged, the switch is moved from position "a" to position "b". Let q represent the charge on the capacitor, and et I represent the current measured by the ammeter at any given time after the switch is moved to position "b". Enter an expression for a Kirchhoff Loop Rule quation for the circuit that now includes both the capacitor and the inductor. -A 8% Part (c) Current is the…An alternating voltage is applied to a series circuit consisting of a resistor and iron-cored inductor anda capacitor. The current in the circuit is 0.5 A and the voltages measured are 30 V across the resistor,48 V across the inductor, 60 V across the resistor and inductor and 90 V across the capacitor.Find (a) the combined copper and iron losses in the inductor (b) the applied voltage Answer: [(a) 3.3 W (b) 56 V]