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One solenoid is centered inside another. The outer one has a length of 50.0cm and contains 6800 coils, while the coaxial inner solenoid is 3.00cm long and 0.130cm in diameter and contains 15.0 coils. The current in the outer solenoid is changing at 37.0A/s .
What is the mutual inductance of these solenoids?
Find the emf induced in the inner solenoid.
Old naval ships fired 10kg cannon balls from a 250 kg cannon. It was very important to stop the recoil of the cannon, as otherwise the heavy cannon would go careening across the deck of the ship.
A parallel-plate capacitor with C = 13 mu or micro FF is charged so as to contain 1.1 J of energy, what is the energy density (the energy per unit volume)
The primary coil of a transformer has N1= 300 turns, and the secondary coil has N2= 1810 turns. find rms voltage is developed across the secondary coil?
A solid cylinder of mass 10 kg is pivoted about a frictionless axis thought the center O. How many radians does the cylinder rotate through in the first 5.0 seconds, if it starts from rest
A man driving a car toward a large vertical wall sounds his horn. The car is traveling at 81 km/h. What is the frequency of the cars horn
The human eye is able to detect as little as 2.35 × 10-18 J of green light of wavelength 510 nm. Calculate the minimum number of photons of green light
The train comes to a stop 6m from the point at which it was released. What is the magnitude of train's acceleration after its wheel begins to stick.
Spaceships of the future may be powered by ion-propulsion engines in which ions are ejected from the back of the ship to drive it forward. What is the velocity of the ions relative to the earth
The coil of a generator has a radius of 0.20 m. When this coil is unwound, the wire from which it is made has a length of 7.50 m. What is the peak emf of this generator
The resistance of a silver wire is to be calibrated for low-temperature measurements. A silver wire with a resistance of 1.15, what is the expected resistance of the silver wire at -196 °C
Binoculars denoted as 7 x 50 have a total magnification of 7 times and objective lenses of 50- mm diameter. What is the focal length of the eyepiece
A uniform linear charge density of 4.0nC/m is distributed along the entire x-axis. Determine the electric flux through this surface
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