15 A 370 uF 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 B. 21.2 C C. 0.221 C D. 1.21 C
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15 A 370 uF 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
B. 21.2 C
C. 0.221 C
D. 1.21 C
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- 2In old TVs, an electron gun accelerates electrons between two parallel plates 1.2cm apart using a 25kV potential difference. a. What is the electric field magnitude between the plates? b. If the electrons start at the negative plate at rest, with what speed will they hot the negative plate? (Note: this speed will be a significant fraction of the speed of light) 3.If a 0.2 kg object (carrying a -250 μC) is released from rest 10 m from a 500 μC, what will be its speed when it is 0.3 m from this charge? A. 5,230 m/s B. 340 m/s C. 70 m/s D. 190 m/s
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- PLease answer this within 30 mins ! I will upvote !22. How much charge in coulombs is stored by a 50-μF capacitor with 20 V across its plates? A. 100 μC B. 2.5 μC C. 1 mC D. 1 μCA certain capacitor holds a charge of 38 nC when a voltage of 35 V is applied to it. a. What is the capacitance of this capacitor in Farads? b. How much energy is stored in this capacitor in Joules? F J
- Part A An electron moves between two plates and experiences an increase in kinetic energy of 3.8x10-15 J. Calculate AV = VA - VB of the plates. AV = Express your answer with the appropriate units. Value A A Submit Request Answer VA Units ? VB BWhat is the magnitude of the electric field and charge produced by a 25 cm x 15 cm capacitor separated by a 1.4 mm vacuum connected to a 12 V battery and c0 = 8.85 x 10^-12 C2/Nm2. a. The electric field is 8,571.4 V/m; the payload is 2.84 x 10^-10b. The electric field is 8,571.4 V/m; the payload is 2.84 x 10^-9c. The electric field is 8,751.4 V/m; the payload is 2.84 x 10^-10d. The electric field is 8,751.4 V/m; the payload is 2.84 x 10^-9Can you help with subparts 3a and 3b A clock battery wears out after moving 9600 C of charge through the clock at a rate of 0.540 mA. 3a. How long did the clock run? 3b. How many electrons per second flowed? This is not and will not be graded