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A magnetic field is perpendicular to the plane of a single turn circular coil. The magnitude of the field is changing therefore that the emf of 0.80 Volt and a current of 3.2 Amp are induced in the coil. The wire is then re-formed into a single turn square coil, which is used in the same magnetic field (again perpendicular to the place of the coil and with the magnitude changing at the same rate). Find what emf and current are induced in the square coil?
What linear speed must an Earth satellite have to be in a circular orbit at an altitude of 162 km
A charged particle is moving horizontally westward with a velocity of 3.5 x 10^6 m/s in a region, What is the charge on the particle
A car is moving at 9 m/s along a curve on a horizontal plane with radius of curvature 46 m. The acceleration of gravity is 9.8. Find the rotational frequency of the wheel
What is the wavelength of the waves emitted by source? What is the difference in frequency between directly radiated waves and the waves reflected from a whale travelling straight toward the ship at 4.99? Suppose that the ship is at rest in the water..
2000 kg elevator is accelerated uniformly from rest to 4 m/s in a time of 90s. find the change in mechanical energy of the elevator
when a current flows in an aluminum wire of diameter 4.35 mm the drift speed of the conduction electrons is 2.57 times
The flux through a loop is given by ?m = (0.20t 2 - 0.58t) , where ?m is in webers and t is in seconds. Find the induced emf as a function of time
A fax machine uses 0.105 Amp of current in its normal mode of operation, but only 0.071 Amp in the standby mode. Calculate how much more energy is used
The temperature coefficient of resistivity of iron is 5.0 x10 -3 /degrees C; that of carbon is -0.50 x10 -3 /degrees C. When an iron wire and a carbon rod, each having the same 10 Ω resistance a 20 degress C, are cooled from that temperature to -80 d..
A baking dish is removed from a hot oven and placed on a coolingrack, What was the net radiant power of the baking dish when it was first removed from the oven
Sewage at a certain pumping station is raised vertically by 5.30 m at the rate of 1 920 000 liters each day. The sewage, of density 1 050 kg/m3, Find the output mechanical power of the lift station
When a potential difference of 168 V is applied to the plates of a parallel-plate capacitor, the plates carry a surface charge density of 23.0 nC/cm2. What is the spacing between the plates
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