By measuring the currents and times and then draw the current vs time graph using the measurement at the lab for ɛ =8 V, R=1M 2 and C=4.7µF. What is the current at t=12 s?
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About Charging Curve of a Capacitor
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- By measuring the currents and times and then draw the current vs time graph using the measurementat the lab for ε =8 V, R=1M Ω and C=4.7μF. What is the current at t=12 s? values obtained after the experiment:I0=8μAApproximate time until current becomes zero= 25 sBy measuring the currents and times and then draw the current vs time graph using the measurementat the lab for ε =8 V, R=1M Ω and C=1μF. What is the current at t=2.5 s? f values obtained after the experiment:I0=8μAApproximate time until current becomes zero= 5.7 sBy measuring the currents and times and then draw the current vs time graph using the measurement at the lab for ε =8 V, R=1M Ω and C=60μF. What is the current at t=50 s?
- The voltage V (volts), current I (amperes), andresistance R (ohms) of an electric circuitare related by the equation V = IR. Suppose that V is increasing atthe rate of 1 volt/sec while I is decreasing at the rate of 1/3 amp/sec. Let t denote time in seconds. What is the value of dV/dt?The voltage V (volts), current I (amperes), andresistance R (ohms) of an electric circuitare related by the equation V = IR. Suppose that V is increasing atthe rate of 1 volt/sec while I is decreasing at the rate of 1/3 amp/sec. Let t denote time in seconds. What equation relates dR/dt to dV/dt and dI/dt?By measuring the currents and times and then draw the current vs time graph using the measurement at the lab for ε =8 V, R=1M Ω and C=4.7μF. When is the capasitor charged fully?
- A capacitor with square plates, each with an area of 34.0 cm2 and plate separation d = 2.64 mm, is being charged by a 215-mA current. (a) What is the change in the electric flux between the plates as a function of time? (Use the following as necessary: t. Do not use other variables, substitute numeric values. Assume that dΦE/dt is in V · m/s and t is in seconds. Do not include units in your answer. Enter the magnitude.) dΦE dt = (b) What is the magnitude of the displacement current between the capacitor's plates?assume that the voltage of the current is given by V = 170 sin (120πt), where t is in seconds. Find thewattage ratingmaximum wattageV2of each electric device ifthe current flowing through the device is I amps.A quarterback throws a ball with an initial velocity of v, feet per second at an angle 0 with the horizontal. The horizontal distance x in feet that the ball is thrown is modelled by a equation x=vo/16sin theta cos theta.for a fixed vo.find the angle that produces the maximum distance x.A constant current transfers 10*10^14 electrons onto one plate of a capacitor in 3 minutes [min]. (a) What is the current, in units of amperes [A]? Express the answer using an appropriate SI prefix such that there are only 1, 2, or 3 digits shown to the left of the decimal. (b) If the capacitor has a capacitance of microfarads [F], what is the voltage in units of volts [V] across the capacitor?
- You measure a voltage with a multimeter, and the digital display has a constant reading of 9.0 V that does not vary over time. Which value is most reasonable to report as the random uncertainty on the measurement?Please help: Pacemakers designed for long-term use commonly employ a lithium-iodide battery capable of supplying 0.42 A•h of charge (A) How many coulombs of charge can such a battery supply? Express your answer using two significant figures (B) If the average current produced by the pacemaker is 5.6 micro Amps, what is the expected lifetime of the device? Express answer using two significant figuresfor the capacitor used C = 1000 uF and R1 = 47 Kohms, calculate the time interval required to charge the capacitor from 2.0 V to 7.0 V if Vo = 10.0 V. Compare with this experimental results. Does the time interval depend on Vo?