It is believed that a large electric fish known as Torpedo occidentalis uses electricity to shock its victims. A typical fish can deliver a potential difference of 0.130 kV for a duration of 1.30 ms. This pulse delivers charge at a rate of 14.0 C/s. What is the total amount of work done during one pulse?
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- A coaxial cable used in a transmission line has an inner radius of 0.085 mm and an outer radius of 0.54 mm. Calculate the capacitance per meter for the cable. Assume that the space between the conductors is filled with a material with a dielectric constant of 3.5.In the figure a potential difference of V = 91.2 V is applied across a capacitor arrangement with capacitances C₁ = 11.0 µF, C₂ = 5.62 µF, and C3 = 4.58 µF. If capacitor 3 undergoes electrical breakdown so that it becomes equivalent to conducting wire, what is the increase in (a) the charge on capacitor 1 and (b) the potential difference across capacitor 1? (a) Number i (b) Number i ! ! Units Units C₂ с V C₂In a linear particle accelerator electrons are accelerated from rest to a speed of approximately the speed of light (3 x 108 m/s). If point A is the initial position of the electrons in the machine and point B is the position at which they reach their final speed, what is the electrical potential difference VA - VB in MV?
- A defibrillator containing a 17.7 µF capacitor is used to shock the heart of a patient by holding it to the patient's chest. Just prior to discharging, the capacitor has a voltage of 12.5 kV across its plates. How much energy is released into the patient? energy: JTwo conductors made of the same material are connected across the same potential difference. Conductor A has twice the diameter and twice the length of conductor B. What is the ratio of the power delivered to A to the power delivered to B?What voltage is needed to accelerate an alpha particle from rest to 0.2% the speed of light, that is 0.002c where c = 3.00 x 108 m/s is the speed of light? an alpha particle is the nucleus of Helium-4; it consists of two protons and two neutrons and has a mass of malpha = 6.654 x 10-27 kg.
- A defibrillator containing a 16.7 µF capacitor is used to shock the heart of a patient by holding it to the patient's chest. Just prior to discharging, the capacitor has a voltage of 11.5 kV across its plates. How much energy is released into the patient? energy: JWhat is the equivalent capacitance, in μF, between points a and b? a ○ 12 ○ 7.1 ○ 8.0 ○ 1.7 ○ 4.0 2.0 μF 6.0 F 4.0 FA 55.0-m length of coaxial cable has an inner conductor that has a diameter of 2.58 mm and carries a charge of 8.10 µC. The surrounding conductor has an inner diameter of 7.27 mm and a charge of -8.10 µC. Assume the region between the conductors is air. (a) What is the capacitance of this cable? C = nF (b) What is the potential difference between the two conductors? AV = kV
- A heart defibrillator with a 8.32 µF capacitor delivers 46.8 J of electric potential energy to a patient during open-heart surgery. (a) Find the voltage applied across the capacitor. V = kV (b) What is the charge, Q, on the capacitor? Q = mCTwo capacitors of capacitance C₁ = 500 nF and C₂ = 1.5 μF are connected in series across a cell with emf V = 8V. What is the energy stored on C₁?