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A coil is placed in a changing magnetic field and an emf is induced. What happens to the induced emf if the rate of change of magnetic field quadruples?
a) There is no change.
b) The emf doubles.
c) The emf quadruples.
d) The emf increases by a factor of 16.
A rectangular coil of wire with an area of 0.218 m2 is situated in a constant magnetic field whose magnitude is 0.450 T, What is the flux through the surface
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An electromagnetic wave has an electric field amplitude of475 V/m. What is the magnetic fieldamplitude associated with this wave?
The Earth's nearly circular orbit around the sun has a diameter of 300 million km. Assuming it takes 365 days for the Earth to make one complete trip around the sun, find the acceleration of the Earth toward the sun.
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a whale swims due east for a distance of 6.0 km turns around and goes due west for 4.0 km and finally turns around
a simple 1.5 m pendulum oscillates on earth where the acceleration due to gravity is 9.79 m/s^2. How many oscillations will it make in 5 minutes
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a shell is fired at an angle of 20 degree above the horizontal at a velocity of 200 ms a what is the range? b what is
How much time takes to release net radiant energy from body
A Carnot engine operates with reservoirs at 135°C and 378°C, and 23600 J of heat are transferred into the engine from the hot reservoir during each engine cycle
A car of mass 920.0 kg accelerates away from an intersection on a horizontal road. When the car speed is 41.0 km/hr (11.4 m/s), Calculate the acceleration of the car at that time
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