A jet plane is travelling towards west at a speed of 1800 km/h. What is the voltage difference developed between the ends of the wing having a span of 25 m, if the Earth's magnetic field at the location has a magnitude of 5 x 10-4 T and the dip angle is 30°.
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- An airplane is flying due north at 720 km/h. The Earth’s magnetic field has a northward component of 0.020 mT and a downward component of 0.050 mT (Southern Indiana). (a) If the wingspan (distance between wingtips) is 35 m, what is the motional emf between the wingtips? (b) Which wingtip has the higher electric potential?(1) Home circuit breakers have current capacities of about 10.0 A. How large a magnetic field would such a current produce 5.0 cm from a long wire’s center? (2) A jumper cable is used to start a car that has a dead battery. The cable barely reaches the car and, so, is outstretched in a straight line. The electric starter on the car draws 100 A. What is the magnetic field at a distance of 0.3 m from the cable?Calculate the potential difference between the wingtips of an aircraft with the wingspan of 64 m travelling at 710 km.h -¹ at 45 degrees to the magnetic field lines of the Earth with B = 50 µT. Give your answer in Sl units.
- ASAPAn electron moving at the speed of 107 m/s, enters a magnetic field of induction 0.1 T at right angle to the velocity of electron. The radius of circular path followed by the electron is(a) At what speed (in m/s) will a proton move in a circular path of the same radius as an electron that travels at 7.85 ✕ 106 m/s perpendicular to the Earth's magnetic field at an altitude where the field strength is 1.20 ✕ 10−5 T? m/s (b) What would the radius (in m) of the path be if the proton had the same speed as the electron? m (c) What would the radius (in m) be if the proton had the same kinetic energy as the electron? m
- A string of a constant linear mass density is held taut by two students, each holding one end. The tension in the string is constant. The students each send waves down the string by wiggling the string. (a) Is it possible for the waves to have different wave speeds? (b) Is it possible for the waves to have different frequencies? (c) Is it possible for the waves to have different wavelengths?A coil having 166 turns and a radius of 1.2 cm carries a current of 1.55 A. (A) If it is placed in a uniform 3.0 T magnetic field, find the torque this field exerts on the coil if the normal to the plane of the coil is oriented perpendicular to the field. Express your answer in newton-meters. (B) If it is placed in a uniform 3.0 T magnetic field, find the torque this field exerts on the coil if the normal to the plane of the coil is oriented parallel to the field. Express your answer in newton-meters. (C) The normal to the plane of the coil is oriented at 30.0∘ with the field. Express your answer in newton-meters.