In a 280-turn automobile alternator, the magnetic flux in each turn is g =2.50 x 10 cos aut, where og is in webers, au is the angular speed of the alternator,and it is in seconds. The alternator is geared to rotate three times for each engine revolution. The engine is running at an angular speed of 1.00 x 10² rev/min.(a) Determine the induced emf in the alternator as a function of time. (Assume & is in V.)8-(b) Determine the maximum emf in the alternator.Submit Answer

Answered: Image /qna-images/answer/f4446e45-b120-45c4-ad9c-faafa261f0ef.jpg

Answered: In a 280-turn automobile alternator,…

Similar questions

A 200-turn circular coil of radius 5.00 cm with negligible resistance is immersed in a uniform magnetic field that is perpendicular to the plane of the coil. The coil is connected to a 20.0 2 resistor to create a closed circuit. During a time interval of 0.200 s, the magnetic field strength decreases uniformly from 0.600 T to zero. Find the energy in millijoules that is dissipated in the resistor during this time interval.
A 65 turn, 10.0 cm diameter coil rotates at an angular velocity of 8.00 rad/s in a 1.40 T field, starting with the normal of the plane of the coil perpendicular to the field. ASsume that the positive max emf is reached first. (a) What (in V) is the peak emf? V (b) At what time (in s) is the peak emf first reached? S (c) At what time (in s) is the emf first at its most negative? (d) What is the period (in s) of the AC voltage output?
In a 240-turn automobile alternator, the magnetic flux in each turn is = 2.50 x 104 cos wt, where is in webers, w is the angular speed of the alternator, and this in seconds. The alternator is geared to rotate five times for each engine revolution. The engine is running at an angular speed of 1.00 x 10³ rev/min. (a) Determine the induced emf in the alternator as a function of time. (Assume & is in V.) & 30.1593 sin (523.5988) X (b) Determine the maximum emf in the alternator. 30.1593 X What are the maximum values of the sine and cosine functions? V
A power line carries a current I = 100 sin(380t), where I is in amps and t is in seconds. A clever engineering student wants to steal power by inducing emf in a rectangular loop of copper wire as shown below. If the student wants to induce a maximum emf in the loop equal to 1.7 V, what should be the length L of the loop? Assume that the magnetic field produced by the power line is uniform inside of the rectangular loo and equal to the magnetic field at the center of the loop. 5 mi To equipment I 0.5 m
A 30-turn circular coil of radius 4.00 cm and resistance 1.000 is placed in a magnetic field directed perpendicular to the plane of the coil. The magnitude of the magnetic field varies in time according to the expression B = 0.010 Ot+ 0.040 Of, where B is in teslas and tis in seconds. Calculate the induced emf in the coil at t = 5.00 s.
= B In a 300-turn automobile alternator, the magnetic flux in each turn is B cos wt, where is in webers, w is the angular speed of the alternator, and t is in seconds. The alternator is geared to rotate three times for each engine revolution. The engine is running at an angular speed of 1.00 x 10³ rev/min. (a) Determine the induced emf in the alternator as a function of time. (Assume & is in V.) E = (b) Determine the maximum emf in the alternator. V Need Help? Read It Watch It 2.50 x 10 -4