5 part A: If u(C) = 0.2C. What in the uncertainty of a 500 mF capacitor in mF? 5 Part B: If C = 500 mF and R = 8000 W , and V = 5 V. What is the voltage across the resistor in an RC circuit if it started out fully charged and the time since we started charging 6 seconds ago?
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5 part A:
If u(C) = 0.2C. What in the uncertainty of a 500 mF capacitor in mF?
5 Part B:
If C = 500 mF and R = 8000 W , and V = 5 V. What is the voltage across the resistor in an RC circuit if it started out fully charged and the time since we started charging 6 seconds ago?
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- sq 4. Maximum surface resistance. Consider a square sheet of side L, thickness d, and electrical resistivity p. The resistance measured between opposite edges of the sheet is called the surface resistance: R = pL/ Ld = p/d, which is independent of the area of the sheet. (R is called the resistance per square and is expected in ohms per square, because p/d has the dimensions of ohms.) If we express p by p=m/ne²t, then Rq=m/ndet. Suppose now that the minimum value of the collision time is determined by scattering from surfaces of the sheet, so that Td/v, where v is the Fermi velocity. Thus the maximum surface resistivity is Rmvp/nd²e². Show for a monatomic metal sheet one atom thickness that sq Rħ/e² = 4.1k, where lkn is 10³ ohms. sqQUESTION 8 Find the uncertainty in a calculated electrical potential difference from the measurements of current and resistance. Electric potential difference depends on current and resistance according to this function V(I,R) = IR. Your measured current and resistance have the following values and uncertainties I = 2.4 Amps, 81 = 0.2 Amps and R = 29.5 Ohms and SR = 0.6 Ohms. What is the uncertainty in %3! %3D the , SV ? Units are not needed in your answer.1.What is the effect on charging and discharging times if the capacitance is increased? What mathematical relationship exists between your times and the capacitance? 2. What is the effect on the total capacitance if capacitors are combined in series? What if they are combined in parallel? 3. What is the effect on charging and discharging times if the resistance of the circuit is increased? What mathematical relationship exists between your times and the resistance?
- An electron is fired at a speed v = 3.1 x 10° m/s and at an angle 0, = 36.8° between two parallel conducting plates as shown in the figure. If s 1.8 mm and the voltage difference between the plates is AV = 98.8 V, determine how close, w, the electron will get to the bottom plate. Put your answer in meters and include at 6 decimal places in your answer. Do not include units. The x-axis of the coordinate system is in the middle of the parallel plate capacitor. !!5. Compute for the individual values and the total values of the voltage, the current, and the resistance of the series circuit here. R, = 100 A VOLTAGE, CURRENT, RESISTANCE, V Vs = 12v R2= 200 R3 =300 6. Draw a series circuit connecting a battery and four resistors with a total resistance of 15 Q. The total current in the circuit should be 3 A. 7. Compute the individual values and the total values of the voltage, the current, and the resistance of the circuit here. IT VOLTAGE, CURRENT, RESISTANCE, 12 V V, = 24v R1 R2 R3 R1=102 R2 200 R3 =300 70 Property of and for the exclusive use of SLU. Reproduction, storing in a retrieval system, distributing, uploading or posting nline, or transmitting in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise of any part of this document, without the prior written permission of SLU, is strictly prohibited. 2021.03.08 09:521. Acombination of three resistors R,, R, and R, in series is connected across a voltage source V,. The vollage drop across R, and Rs are 10 V and 36 V, respectively. If the current supplied by the source voltage is 1.4 A and the total power supplied by the source is 7O W, Calculate the following A. The value of V, and the voltage drop across R, B. The equivalent resistance across the voltage source, and the values of R,, R, and R, C. The power dissipated by each resistor
- An electron is fired at a speed vi = 4.3 × 106 m/s and at an angle θi = 39.7° between two parallel conducting plates as shown in the figure. If s = 1.7 mm and the voltage difference between the plates is ΔV = 99.8 V, determine how close, w, the electron will get to the bottom plate. Put your answer in meters and include at 6 decimal places in your answer. Do not include units. The x-axis of the coordinate system is in the middle of the parallel plate capacitor. Round your answer to 6 decimal places.An electron is fired at a speed vi = 3.1 × 106 m/s and at an angle θi = 36.8° between two parallel conducting plates as shown in the figure. If s = 1.8 mm and the voltage difference between the plates is ΔV = 98.8 V, determine how close, w, the electron will get to the bottom plate. Put your answer in meters and include at 6 decimal places in your answer. Do not include units. The x-axis of the coordinate system is in the middle of the parallel plate capacitorQ1. A voltage regulator circuit is given below with Vz of Zener diode 9V and 100mA is the total current. a. Determine the minimum and maximum input voltages (Vin) that can be regulated by the given circuit. b. Determine the minimum value of load Resistance, RL suitable for Zener diode with Izk=15mA. R 470 N IT 100 mA Vin RL 500 Ohms
- In a particular city, electrical energy costs $0.13 per kilowatt-hour( Round your answers, in dollars. to at least two decimal places.) a. How much does it cost to operate an old-style incandescent 40.0-W light bulb continously for 24 hours? b. A modern LED light bulb that emits as much visible light as a 40.0-W incandescent only draws 4.50 W of power. How much does it cost to operate this bulb for 24 hours? c. A particular electric oven requires a potential difference of 220 V and draws of 22.0 A of current when operating. How much does it cost to operate the oven for 4.30 hours?m 2R R 3. The new symbol you see in the diagram at the left is a multicell battery (like a 9V), which is made up of a number of smaller single cell batteries (like a 1.5V). Let's say its total voltage is V. A. Which resistor takes the most voltage? B. What is the total resistance? C. In variables, what is the current in the circuit? D. How does the voltage used by the 2R compare with R? E. In variables, what is the voltage used by the 2R resistor?Q1: a. Compare between AND,and XOR gates ( Definition and truth tables)? (2) b. The diagram below shows five logic gates symbol and five names (2.5) Draw a line between each logic gate symbol and its correct name. Logic Gate Symbol Name D- AND NOT NOR Da XOR NAND