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1. The magnetic domains that become aligned in the iron core contribute to the overall magnetic field of the coil and there- fore increase its magnetic induction.
2. An iron core can generate an electromagnetic wave to change the magnetic field in a coil.
3. An iron core is a magnet and generates magnetic field with or withput a coil.
4. An iron core can increase the current in the coil.
Your average speed on the first half of a car trip is 75.0 km/h. How fast do you have to drive on the second half of the trip to achieve an average speed of 83.0 km/h for the whole trip
Imagine that instead of going across the river, as in the simulation, the boat first travels directly downstream for a distance of 8.00 km andthen turns around and comes back upstream, returning to the starting point. If the boat speed is 6.00 m/s..
A second skater initially at rest with a mass of 58.4 kg catches the snowball. What is the velocity of the second skater after catching the snowball in a perfectly inelastic collision
the electric potential at a position located a distance of 22.8 mm from a positive point charge of 8.00times10-9c and
A force N acts for 0.2 seconds on an object of mass 2.4 Kg whose initial velocity was m/s. What is the new velocity
a train with proper length of 200m is traveling at the speed of 120kmhr. an observer on the ground sees two lightening
A factory worker moves a 25.0 crate a distance of 4.00 along a level floor at constant velocity by pushing horizontally on it. What is the net work done on the crate
A 9.88-kg monkey is hanging by one arm from a branch and swinging on a vertical circle. Find the magnitude of the tension in the monkey's arm
A 500-g particle is located at the point r=4m*i+3m*j-2m*k and is moving with velocity v=5m/s*i -2m/s*j+4m/s*k. What is the angular momentum of this particle about the origin
An alpha particle (the nucleus of a helium atom formed by 2 protons and 2 neutrons with charge q = +2(1.6 x 10-19 C), Calculate the acceleration of the alpha particle
A proton with an initial velocity of (1.0x + 2.0y + 3.0z) x10^5 m/s enters a magnetic field of 0.50z T. Find the magnitude of the force on the proton. The mass of the proton is 1.67x10^-27 kg. The answer is 1.8x10^-14 N I think the equation you shoul..
A cylindrical storage tank has a radius of 1.22m. When filled to a height of 3.71m, it holds 14 300 kg of a liquid industrial solvent. What is the density of the solvent?
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