For the circuit given below, find the energy stored in 40 pF capacitor. 60 µF 40 pF 卞 6 kll 多 A OS - W-
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- Vbatt=25 VC1=90 ?CC2=75 ?CC3=60 ?CR1=160 ΩR2=120 Ωt2=21.6 msect3=27 msecConsider the circuit shown below which shows a battery connected to some resistors and capacitors along with some switches which will be toggled opened or closed at different times. The components are listed above. The capacitances are in microCoulombs (?C), the resitances are in Ohms (Ω), and the times are in milliseconds (msec). A stopwatch is started at time t1=0 ms. At that time, switch S1 is closed and all other switches are open and the capacitor is allowed to charge up.(a). What is the charge (in uC) on C1 at the time the stopwatch reads t2=21.6 ms?Ans: 1750 uC(b). What is the current (in mA) through R1 at t2=21.6 ms?Ans: 34.9 mA(c). What is the voltage (in V) across R1 at t2=21.6 ms?Ans: 5.58 V(d). What is the voltage (in V) across C1 at t2=21.6 ms?Ans: 19.4 V(e). What is the energy (in mJ) in C1 at t2=21.6 ms?Ans: 17.0 mJThen, immediately at time t2=21.6 on the stopwatch, switch S1 is thrown open and…A 30-Wp SHS has a charging current of 1.7A at 1000 W/m2 irradiance. When the irradiance is decreased to 800W/m?, how much charging current is expected?Power Electronics: According to the information obtained from the catalog, the threshold voltage value and internal resistance of the thyristor:V = 2v, R=0.84 milliohm,The current given in the figure passes through this thyristor. Wave information:Im = 1000 AD = 20f = 200hzWhat is the active power consumed on this thyristor in watts?A)184.6B)97.8C)284.3D) 382.5E) 137.2
- Charging a 100mF capacitor in series with a 10000W resistor, using emf E=5v. a) how long after voltage is applied does Vcap(t) reach 4 voltsb b) what's the current through R at t=2sec.A 150V moving iron volt meter intended for 50Hz has an inductance of 0.7H and a resistance of 3K ohm. Find the series resistance required to extend the range of instrument to 300V if this 300V - 50Hz instrument used to measure dc voltage find the dc voltage when the scale reading is 200V(1) Find equation of current if charge q(t) = 5t2+10t+10. Also find value of current at t = 1sec. (2) What is value of capacitance if charge on capacitor is 20(micro C) and voltage is 10(Volt).
- In the circuit in the figure, E1=E2= 12V, E3=6V,R1=8 OHM,R2=8 OHM,R3=4 OHM,R4=12 OHM,R5=6 OHM,C1= 4, C2=6 microfarads and the circuit is stable. Accordingly, what is the ratio of the charge q1 of the capacitor C1 in the circuit to the charge q2 of the capacitor C2? Which terminal of capacitor C1 is positive, A or B?A circuit with a supply voltage of 2.5 V is being powered through a package. The packagehas a resistance of 100 m and a certain inductance L. The circuit requires at least 2.25 Vto function correctly. If this voltage is required in a time of 1ns, calculate the effectiveinductance L for the package.Analytically calculate the neutral voltages of Van, Vbn and Vcn in a circuit that has the following values as symmetric components of these voltages: v0=van0=10<180° V v1=van1=50<0° V v2=van2=10<90° V
- QUESTION TEXT A potentiometer consisting of a wire of length = 10 cm has a source of emf, ɛ = 15V connected across it. When a standard cell with emf V = 6V, in series with a voltmeter, is connected at one end of the wire and at a distance L along the wire the voltmeter circuit is in balance and the voltmeter reads zero. What is the value of the balance length L? Select one: a. 1.5 cm b. 4.0 cm c. 6.0 cm d. 2.0 cmVbatt=25 VC1=90 ?CC2=75 ?CC3=60 ?CR1=160 ΩR2=120 Ωt2=21.6 msect3=27 msecConsider the circuit shown below which shows a battery connected to some resistors and capacitors along with some switches which will be toggled opened or closed at different times. The components are listed above. The capacitances are in microFarads (?F), the resitances are in Ohms (Ω), and the times are in milliseconds (msec). A stopwatch is started at time t1=0 ms. At that time, switch S1 is closed and all other switches are open and the capacitor is allowed to charge up.(a). (i)What is the charge (in uC) on C1 at the time the stopwatch reads t2=21.6 ms?a)3690 b)1520 c)5710 d)2630 e)683 f)1750 (a).(ii)What is the current (in mA) through R1 at t2=21.6 ms?34.9 30.4 114 13.6 73.6 52.4 (b)(i)What is the voltage (in V) across R1 at t2=21.6 ms?8.37 5.58 2.18 11.8 18.2 4.85(ii). What is the voltage (in V) across C1 at t2=21.6 ms?63.2 29.1 40.9 7.57 19.4 16.9(c). (i) What is the energy (in mJ) in C1 at t2=21.6 ms?6.63…Using IC that is approximately equal to IE. Determine the value of R1in ohms, when VCC=16V, RC=1637 ohms, RE=341 ohms, VC=8 V and R2=5528ohm