A coil of wire is connected to a galvanometer. When a bar magnet is moved in and out of the coil, the galvanometer records a current. The current results because of __________
Fill in the blank(s) with correct word
electromagnetic induction
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You are going to construct a new optical observatory, and money is no object. Other than putting it into space, what factors will affect your decision for its location on Earth?
What will be an ideal response?
An electron moving in the positive x direction experiences a magnetic force in the positive z direction. If Bx = 0, what is the direction of the magnetic field?
a. negative y direction b. positive y direction c. negative z direction d. positive z direction e. negative x direction
An automobile with a mass of 2000 kg is moving north on a level, straight highway with a constant velocity of 80 km/h. What is the unbalanced force acting on the automobile?
Indicate whether the statement is true or false
The type of EM radiation emitted when high speed electrons decelerate as they are smashed into a metal target is
a. ultraviolet b. infrared c. x ray d. microwave e. gamma ray