AC Generator: An ac generator with a total resistance of 12 ? contains 100 flat loops of wire, each with an area of 0.090 m2. The loops rotate at 60 rev/s in a magnetic field of magnitude 0.50 T. What is the maximum possible induced current?
A. 23 A
B. 46 A
C. 0.14 kA
D. 0.28 kA
Answer: C
You might also like to view...
When an object moving in simple harmonic motion is at its maximum displacement from equilibrium, which of the following is at a maximum?
1.velocity 2.acceleration 3.kinetic energy
Which of the following statements about Earth's troposphere is not generally true?
A) It is the layer of the atmosphere in which ozone absorbs dangerous ultraviolet light from the Sun. B) It is the lowest layer of the atmosphere. C) It is the layer of the atmosphere in which convection plays the most important role. D) It is a layer of the atmosphere in which temperature declines with increasing altitude.
Harvard woman astronomer ________ discovered the period-luminosity relation
A) Antonia Maury B) Annie Cannon C) Cecilia Payne-Gaposchkin D) Henrietta Leavitt E) Williamina Fleming
A 300-g glass thermometer initially at 25°C is put into 200 cm3 of hot water at 95°C. Find the final temperature (in °C) of the thermometer, assuming no heat flows to the surroundings. (The specific heat of glass is 0.2 cal/g/°C.)
a. 52 b. 68 c. 89 d. 79 e. 36