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(d) None of the above 2. “Drift speed" defined as? (a) va = I/nqA (b) va...
d. none of the above te af Tem and Sam weigh the same on land, but...
d. none of the above te af Tem and Sam weigh the same on land, but Tom weighs less than Sam underwo that a Tem has a higher percent body fat than Sam h San has a higher percent body fat than Tom c Tom and Sam have the same percent of body fat d none of the above 17, Benefits of regular physical activity include,- a increased daily caloric allowancec.increased basal metabolic rate b increased strength and flexibility d.all...
11. Electric field (E) at the surface of a conductor is (b) 2o/ (c)の200 (d) None...
11. Electric field (E) at the surface of a conductor is (b) 2o/ (c)の200 (d) None Electric potential (V) varies the distance (r)as 12. (c) 2r (d) None 13. The electric potential energy (U) for two point charges q and qoat a separation 'r' is (b) 4째 (qquw) c) (1/4n(qa) (d) None 14. Electric potential difference between two potential points (V-V) is e)E cose dl (h) None 15. 2 X electron volt (eV) is measured as (a) 4.8 x 1019J...
b. CO32- c. H3O+ d. None of the above species is produced upon the dissolving of...
b. CO32- c. H3O+ d. None of the above species is produced upon the dissolving of ICOS! 1 a, b, and c are produced upon the dissolving of Hcos in water - Which of the following is the pH of a 0.520 M NaOH solution? a. 13.9 b. 13.7 10 - 125 8.53 14 .307 d. 2.84 = 13.6. e. None of the above
Otor shown below is controlled by the armature voltage va and load torque ease i ngular velocity ...
otor shown below is controlled by the armature voltage va and load torque ease i ngular velocity w, and ts is the back-emf generated by op a model (first order differential equation) of armature current i in terms velop a model (irst order differential equation) of motor output speed w in terms ta and w as state variables, and va and Ti as inputs, write the state equations the motor. complete the following of motor output speed w and input...
Problem 4 [5 marks] B O B O Consider a current-carrying conductor shown above under the influence...
Problem 4 [5 marks] B O B O Consider a current-carrying conductor shown above under the influence of a constant magnetic field B. At steady state, the electric force Fe due to the Hall electric field Encounteracts the magnetic force Fmexactly (above right). At this point a. [1 mark]Fel - and therefore E b. [1 mark] The conductor is a copper strip with conductivity of 5.76 x 107S/m. The current in the conductor is 1 mA. The cross section of...
c. 163 f. None of the above Sound is measured for a 1,500 Hz plane wave...
c. 163 f. None of the above Sound is measured for a 1,500 Hz plane wave to have a velocity of 325 m/s. What is the expected air temperature in °C? -23 d. 72 a. b. -11 e. 95 f. None of the above c. 58 A plane wave is represented as p(x,t) = 5 cos(2x+12t). What characterizes this wave? Circle all that apply. d. Wavespeed is 1/6 e. Wavespeed is 6 f. None of the above Forward traveling a....
A. “A →B" B "B C” C. " C D" D. None of the above 5....
A. “A →B" B "B C” C. " C D" D. None of the above 5. Which of the following are true of reaction rates? I. The overall rate law is determined by the fastest step of a reaction II. The presence of a catalyst will increase the number of molecules entering the transition state III. An increase in temperature will increase the rate of a reaction IV. Increasing the concentration of reactants will increase the rate at which products...
answere Please mark only one of the four choices Q1. Controlling the speed of a DC motor by using a micro-controller, is what type of control? b. Digital C. Analog d. All of the above Q2. When cur...
answere
Please mark only one of the four choices Q1. Controlling the speed of a DC motor by using a micro-controller, is what type of control? b. Digital C. Analog d. All of the above Q2. When current flow is interrupted in a DC motor, which motor property causes a reverse voltage spike? a. Resistance b. Capacitance C. Inductance d. None of the above Q3. Which Arduino internal circuit is used to control motor speed? a. Digital to Analog Converter...
Could i please have assistance in working out and theory for this question. Could i please...
Could i please have assistance in working out and theory for
this question. Could i please get further explanation on
how values are achieved with B and C Please
a) Calculate the conductivity of an intrinsic Si conductor at 27 °C if the hole mobility is 450 cm2 V1s-1 and the electron mobility is 1350 cm2 V's1. Assume an intrinsic carrier density of 1.45 x 1010 carriers/cm3 and an electron charge of -0.16 x 10-18 C. b) Using Figure 5,...
Assuming normal speed distribution, if d is defined as +2 km/h, standard deviation is as 5km/h,...
Assuming normal speed distribution, if d is defined as +2 km/h, standard deviation is as 5km/h, and the mean speed needs to be determined (1.e. 85th percentile speed, ) at a significance level of 0.05, determine the minimum sample size required. Select one: O a. 37 O b. 72 O c. None O d. 30
d. none of the above te af Tem and Sam weigh the same on land, but Tom weighs less than Sam underwo that a Tem has a higher percent body fat than Sam h San has a higher percent body fat than Tom c Tom and Sam have the same percent of body fat d none of the above 17, Benefits of regular physical activity include,- a increased daily caloric allowancec.increased basal metabolic rate b increased strength and flexibility d.all...
11. Electric field (E) at the surface of a conductor is (b) 2o/ (c)の200 (d) None Electric potential (V) varies the distance (r)as 12. (c) 2r (d) None 13. The electric potential energy (U) for two point charges q and qoat a separation 'r' is (b) 4째 (qquw) c) (1/4n(qa) (d) None 14. Electric potential difference between two potential points (V-V) is e)E cose dl (h) None 15. 2 X electron volt (eV) is measured as (a) 4.8 x 1019J...
b. CO32- c. H3O+ d. None of the above species is produced upon the dissolving of ICOS! 1 a, b, and c are produced upon the dissolving of Hcos in water - Which of the following is the pH of a 0.520 M NaOH solution? a. 13.9 b. 13.7 10 - 125 8.53 14 .307 d. 2.84 = 13.6. e. None of the above
otor shown below is controlled by the armature voltage va and load torque ease i ngular velocity w, and ts is the back-emf generated by op a model (first order differential equation) of armature current i in terms velop a model (irst order differential equation) of motor output speed w in terms ta and w as state variables, and va and Ti as inputs, write the state equations the motor. complete the following of motor output speed w and input...
Problem 4 [5 marks] B O B O Consider a current-carrying conductor shown above under the influence of a constant magnetic field B. At steady state, the electric force Fe due to the Hall electric field Encounteracts the magnetic force Fmexactly (above right). At this point a. [1 mark]Fel - and therefore E b. [1 mark] The conductor is a copper strip with conductivity of 5.76 x 107S/m. The current in the conductor is 1 mA. The cross section of...
c. 163 f. None of the above Sound is measured for a 1,500 Hz plane wave to have a velocity of 325 m/s. What is the expected air temperature in °C? -23 d. 72 a. b. -11 e. 95 f. None of the above c. 58 A plane wave is represented as p(x,t) = 5 cos(2x+12t). What characterizes this wave? Circle all that apply. d. Wavespeed is 1/6 e. Wavespeed is 6 f. None of the above Forward traveling a....
A. “A →B" B "B C” C. " C D" D. None of the above 5. Which of the following are true of reaction rates? I. The overall rate law is determined by the fastest step of a reaction II. The presence of a catalyst will increase the number of molecules entering the transition state III. An increase in temperature will increase the rate of a reaction IV. Increasing the concentration of reactants will increase the rate at which products...
answere
Please mark only one of the four choices Q1. Controlling the speed of a DC motor by using a micro-controller, is what type of control? b. Digital C. Analog d. All of the above Q2. When current flow is interrupted in a DC motor, which motor property causes a reverse voltage spike? a. Resistance b. Capacitance C. Inductance d. None of the above Q3. Which Arduino internal circuit is used to control motor speed? a. Digital to Analog Converter...
Could i please have assistance in working out and theory for
this question. Could i please get further explanation on
how values are achieved with B and C Please
a) Calculate the conductivity of an intrinsic Si conductor at 27 °C if the hole mobility is 450 cm2 V1s-1 and the electron mobility is 1350 cm2 V's1. Assume an intrinsic carrier density of 1.45 x 1010 carriers/cm3 and an electron charge of -0.16 x 10-18 C. b) Using Figure 5,...
Assuming normal speed distribution, if d is defined as +2 km/h, standard deviation is as 5km/h, and the mean speed needs to be determined (1.e. 85th percentile speed, ) at a significance level of 0.05, determine the minimum sample size required. Select one: O a. 37 O b. 72 O c. None O d. 30
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