(c) The energy, W (measured in joules, J) stored in an inductor, L = 7 mH + a %, can be expressed as follows: W =L1? (i) Find the dimensions of L using the formula above. (ii) Given that the current, I = b mA ±c%. Set the values of abc where: a = 16 b = 14 c = 8 Determine the value of W as well as its% relative limiting error.

(c) The energy, W (measured in joules, J) stored in an inductor, L = 7 mH + a %, can be expressed as follows: W =L1? (i) Find the dimensions of L using the formula above. (ii) Given that the current, I = b mA ±c%. Set the values of abc where: a = 16 b = 14 c = 8 Determine the value of W as well as its% relative limiting error.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter20: Capacitance In Ac Circuits

Section: Chapter Questions

Problem 5PP: Three capacitors having capacitance values of 20F,40F, and 50F are connected in parallel to a 60 -...

See similar textbooks

Similar questions

A 15-F AC capacitor is connected in series with a 50 resistor. The capacitor has a voltage rating of 600 WVDC. The capacitor and resistor are connected to a 480-V, 60-Hz circuit. Is the voltage rating of the capacitor sufficient for this connection?
Three capacitors having capacitance values of 20F,40F, and 50F are connected in parallel to a 60 - Hz power line. An ammeter indicates a circuit current of 8.6 amperes. How much current is flowing through the 40F capacitor?
Q3) Celeulate inductor and Gup •c; tor voltgen enl terionts. and curlants. te energy sturral in thae elemants. Then caleulehe 1.H 3V 125 :1MF
Determine ZT for the circuit if inductive reactive is 10220 and resistance is 9850. Answer:
Find the current through the inductor shown in Figure lb. (i/p is AC, consider results upto one decimal place). 1. 100 V 100 Hz 500 L=60H Figure lb
The switch (SW) in the circuit is opened for a long time shown Figure 2. A. Calculate the expression of the current of inductor. B. find the value of the current of inductor at t-20 msec. 30 20 10 sa Figure 2
Calculate values of asked physical quantities of the circuit in the figure. What is the capacitance of system 23? C23 C₁ = 3.0 F What is the capacitance of system 123? C123 = F C₁ = 2.0 F What is the capacitance of system 45? C45 = F Your last answer was interpreted as follows: 1 Your last answer was interpreted as follows: 1 What is the charge in the capacitor system? C Your last answer was interpreted as follows: 1 What is the total capacitance of the system? F Value 8.8500 x 10 EO Quantity permittivity of free space capacitance capacitance capacitance capacitance capacitance Your last answer was interpreted as follows: 1 capacitance of system 23 capacitance of system 123 capacitance of system 45 Your last answer was interpreted as follows: 1 Do not leave any fields blank. If you don't know the answer, insert 1 for example. Insert the answer with 3 significant digits without rounding the answer. Constant U = 7.0 V Unit E Symbol €0 C₁ = 3.0 F C1 C₂ C3 C4 C5 C23 C₂ = 9.0 F C₂ = 3.0 F…
A generator rated at 30MVA, 11kV has a reactance of 40%. Calculate its p.u. reactances for a base of 50MVA and 10kV. O 0.606 p.u. O 0.506 p.u. O 0.806 p.u. O 0.706 p.u.
C) A 25 A electrodynamic ammeter is controlled by a spring having a constant of 5.7295x 10-6 Nm/rad. The full scale deflection is 110°. Determine the inductance of the instrument while measuring a current of 20 A. The mutual inductance at 0° deflection is 4 u H and the change in mutual inductance is linear with the deflection.
A 1-H inductor is connected in series with a 6-ohm resistor. If the connection is energized from a 9-V DC source, determine the current (in amperes) through the circuit for a long time. The initial current is 100 mA. Express your answers accurate to four decimal places. No need to put the units.
The value of the Inductance can be determined by (W - is energy stored in inductor, I - current) O a. ½ W21 O b. 2W/ 12 O c. 2WI2 O d. 2W21
Q19. For the series-parallel inductor circuit shown in figure B19, answer the following questions. L2 2mH 4mH L3 L4 SMHS 5mH 3.5mH L6 8mH L7 2mH L3 4.5mH e Figure B19 Determine the inductance, L3 value. ii) If E is the energy stored in inductor for current, Calculate the energy if the current value is increased twice.