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Determine:
A.) C(eq)
B.) q(eq), q1, q2
C.) V1, V2
Number 3 & 4 only
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- (I) What is the reactance of a 6.20μ F capacitor at a frequency of (a) 60.0 Hz, (b) 1.00 MHz?the emf source E = 4,5 V, of the curcuit shown in the figure has negligible internal resistance. the capaccitance C = 6,4 uF. a) determine the constant r, in units of microseconds for charging the capacitor b)what is the charge Q on the capicotor in units of microcoulomb ?b) What If? What would be the range of capacitances (in pF) needed to cover the entire FM band, from 88.0 MHz to 108 MHz?
- (a2tf) 6 7 8 9 and 10A cell has a standard emf of ++ 0.197 VV at 298 K. What is the value of the equilibrium constant for the cell reaction if n=1? If n=2 and if n=3Two 3.8microF capacitors, two 2.2kohms resistors and a 16.0V source are connected in series. Starting from the uncharged state, how long does it take for the current to drop from its initial value to 1.50 mA
- There are five appliances: anair conditioner (1000 W), arefrigerator (450 W), a washingmachine (500 W), a popcornpopper (250 W), and a stereo(20 W). What are the twohighest-power appliancesthat can be plugged into twooutlets and be running at thesame time? The maximumcurrent capacity of the circuitis 15.0 A and the outletsprovide 120 V.Consider a power plant is located 60 km away from a residential area uses Q-gauge (A=42.40mm2) wire ofcopper to transmit power at a current of I = 100.00 A.How much more power is dissipated in the copper wires than it would be in superconducting wires?The capacitor in 23.55(a) is designed to filter lowfrequency signals, impeding their transmission between circuits. (a) What capacitance is needed to produce a 100 kΩ reactance at a frequency of 120 Hz? (b) What would its reactance be at 1.00 MHz? (c) Discuss theimplications of your answers to (a) and (b).
- A linear accelerator produces a pulsed beam of electrons.The pulse current is 0.50 A, and the pulse duration is 0.10 ms. (a) How many electrons are accelerated per pulse? (b) What is the average current for a machine operating at 500 pulses/s? If the electrons are accelerated to an energy of 50 MeV, what are the (c) average power and (d) peak power of the accelerator?what happens when u use negative resistance valueA silicon-based MOSFET has a square gate 0.50 mm on edge. The insulating silicon oxide layer that separates the gate from the p-type substrate is 0.20 mm thick and has a dielectric constant of 4.5. (a) What is the equivalent gate – substrate capacitance (treating the gate as one plate and the substrate as the other plate)? (b) Approximately how many elementary charges e appear in the gate when there is a gate – source potential difference of 1.0 V?