Helping tags: Electrical EngineeringWILL UPVOTE, just pls help me answer the following and show complete solutions. Thanks! 1.a)1Given that ksolve for the value of eo.%D4n Eoc2A. 8.85 x10-12N m2c2B. 9.0 x10-12N m2C. 3.14 x10-12 C*N m2D. 2.72 x10-12N m2b)A 370 µF capacitor in a photoflash is charged to a voltage source of 330 V. How muchcharge is stored in the capacitor plates?A. 0.122 CВ. 21.2 СС. 0.221 СD. 1.21 C

Substitute the value of the constant k in the given equation to calculate εo

a) Given that k = solve for the value of eo. 4n Eo c A. 8.85 x10-12 N m2 B. 9.0 x10-12 N m3 C. 3.14 x10-12 N m2 D. 2.72 x10-12 C N m2 b) A 370 µF capacitor in a photoflash is charged to a voltage source of 330 V. How much charge is stored in the capacitor plates? A. 0.122 C В. 21.2 С С. 0.221 С D. 1.21 C

a) Given that k = solve for the value of eo. 4n Eo c A. 8.85 x10-12 N m2 B. 9.0 x10-12 N m3 C. 3.14 x10-12 N m2 D. 2.72 x10-12 C N m2 b) A 370 µF capacitor in a photoflash is charged to a voltage source of 330 V. How much charge is stored in the capacitor plates? A. 0.122 C В. 21.2 С С. 0.221 С D. 1.21 C

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter19: Capacitors

Section: Chapter Questions

Problem 3PA: You find that a 25-F capacitor connected to 480 VAC is defective. The storeroom has no capacitors...

See similar textbooks

Similar questions

For residential water heaters, the Consumer Product Safety Commission suggests a maximum temperature setting of ___________ F (_____________ C). Some states have laws stating a maximum temperature setting of ____________ F (________________ C).
You find that a 25-F capacitor connected to 480 VAC is defective. The storeroom has no capacitors with a 480-VAC rating. However, you find two capacitors rated at 50 F and 370 VAC. Can these two capacitors be connected in such a manner that they can replace the defective capacitor? If yes, explain how they are connected and why the capacitors will not be damaged by the lower voltage rating. If no, explain why they cannot be used without damaging the capacitor.
It is required to grade a string having seven suspension insulators. If the pin to earth capacitance are all equal to C, determine the line to pin capacitance that would give the same voltage across each insulator (C1, C2, …….C6) of the string.
(1) Find equation of current if charge q(t) = 5t2+10t+10. Also find value of current at t = 1sec. (2) What is value of capacitance if charge on capacitor is 20(micro C) and voltage is 10(Volt).
A coil has a resistance of 18 when it mean temp is from 20o C to 50o C. Find its mean temp rise when its resistance is 21 and the surrounding temp is 15o C. A potential difference of 250 V is applied to a copper field coil at a temp of 15o C and the current is 5A. What will be the mean temp of the coil when the current has fallen to 3.91 A, the applied voltage being the same as before.
A practical silicon-based solar cell is constructed from a n+ p junction. a. Explain briefly the meaning of the notation n+ ? b. Draw a sketch showing the device structure of this solar cell. c. This cell shows a photocurrent IL = 10.9 A under AM1.5G illumination.If the temperature is 25oC, what is VOC ? Assume that the saturatedcurrent IS = 1×10-9 A.
8. a) Inductors_________ oppose a change of current.a) always b) sometimes c) never d) all of the above B) What is the direction of a self-induced emf in relation to any change in current? a) . the same direction as the current flow that caused itb) the opposite direction as the current flow that caused it c) may laemettherlalgr "b" d) neither a nor b C). Hysteresis loss is caused by _________a) low voltage DC. b) poorly insulated conductors c) molecular friction d) none of the above
A coil of inductance 1 henry and negligible resistance is connected in series with a capacitancr of 10^-6 farad and an emf E volts. Taking Q=I=O at time t=0, find th3 charge Q anf the current I when t= 0.001 see if (a) E= 100 volts, (b) E= 100sin500t, (c) E= 100sin1000t
An emf of V=70.0 volt, a resistor R=80.0 KΩ and a capacitor C=2500 µF are connected by a switch as shown in the figure. At t= 0 s the switch is closed. The time in seconds it takes for the capacitor to store 80.0 mC of charge is:
2. A certain zener diode has a maximum power rating of 300 mW at 40 deg Cand a derating factor of 1.4mW/deg C. Determine the maximum power the zener can dissipate at a temperature of 80 deg C. 3. From the datasheet, a 1N4728A zener diode has a ZZ of 10 0. The datasheet gives VZ = 3.3 V at a test current, IZ, of 76 mA. What is the voltage across the zener terminals when the current is 90 mA? When the current is 45 mA?
a) We assume that the switch is on. Calculate the reactance values and find the charging current in the circuit below. Is the circuit capacitive or inductive? Show that the voltage across the capacitance can be slightly larger than the source voltage U. (This is called the Ferranti effect and means that we can get a voltage rise beyond overhead lines with small loads. This is mostly relevant at the highest voltage levels. The frequency f is 50Hz, and assume voltage U= √2⋅24kV
Which of the following ratings (PIV- Peak Inverse Voltage and temperature) is true? Si diodes have lower PIV and wider temperature ranges than Ge diodes. Ge diodes have lower PIV and smaller temperature ranges than Si diodes. Si diodes have higher PIV and narrower temperature ranges than Ge diodes. Si diodes have lower PIV and narrower temperature ranges than Ge diodes.