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A 57.0 m length of coaxial cable has an innerconductor that has a diameter of 2.58 mm and carries a charge of8.10 µC. The surrounding conductor has an inner diameter of7.27 mm and a charge of -8.10 µC.(a) What is the capacitance of this cable?C = 1 nF
(b) What is the potential difference between the two conductors?Assume the region between the conductors is air.ΔV = 2 kV
A dipole composed of a ±q point charge, separated by a distance d = 2.24e-14 m and aligned parallel with the x axis, Find the expression for the potential on the x axis
A series DC circuit contains a 4mH inductor and an 80 ohm resistor in series with a 12V battery. What is the time constant for the circuit? What are the initial and final currents?
A heat pump has a coefficient of performance of 3.75 and operates with a power consumption of 6.89 103 W. How much energy does it extract from the outside air
A Molecule of DNA is 2.17 um long. The ends of the molecule become strongly ionized: negative on one end, positive on the other. The helical molecule acts like a spring and compresses 0.78% upon becoming charged. Determine the effective spring con..
A lighthouse sweeps its beam of light around in a circle once every 6.0 s. To an observer in a spaceship moving away from Earth, What is the speed of the spaceship relative to Earth
In beta decay, a neutron decays into a proton, an electron, and a neutrino, What is the maximum energy that the electron can have? The neutrino?
A woman can read the large print in a newspaper only when it is at a distance of 66 cm or more from her eyes. What should be the refractive power (in diopters) of her glasses
A stone is thrown directly upward from a height of 30 ft with an initial velocity of 60 ft/sec. Determine the time at which the stone reaches its maximum height
suppose you made a 5.40 kiloOhm resistor from a carbonresistor and a Nichrome wire-wound resistor connected together so the total resistance is the sum of their separate resistances. Whatvalue should the carbon resistor have (at 0 degrees Celsius)..
A series circuit contains only a resistor and an inductor. The voltage V of the generator is fixed. If R = 14 ? and L = 3.6 mH, find the frequency at which the current is one-half
A fathom is a unit of length, usually reserved for measuring thedepth of water. A fathom is approximately 6 ft in length. Take thedistance from Earth to the Moon to be 300,000 miles, and use the given approximation to find the distance in fathoms.
The active element of a certain laser is an ordinary glass rod 19.5 cm long and 1.37 cm in diameter. Calculate its increase in volume
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