Question

You have three USB devices plugged into a USB charger in your room Which diagram best shows their circuit diagram for the three devices (indicated by the resistors)? All four circuits shown would be correct None of the four circuit diagrams shown is correct. Consider these three situations: A. A loop of wire is sliding into a region of B field that is into the page. B. A loop of wire is sitting stationary in a B field that is out of the page and getting stronger. C. A loop of wire is sliding out of a region of B field that is out of the page. In which one(s), if any, is a counter-clockwise current induced? Both A and C O A only O B only ° C only Both B and C Both A and B All three cases None of these cases You are looking through a lens at an object on the other side of the lens Using parallax, you determine that the image is between your eye and the lens. From this you determine that: OThe lens is converging: the object is outside the focal point of the lens; the image is inverted OThe lens is converging: the object is outside the focal point of the lens; the image is upright OThe lens is converging: the object is inside the focal point of the lens; the image is inverted OThe lens is converging: the object is inside the focal point of the lens; the image is upright OThe lens is diverging: the image is inverted O The lens is diverging; the image is upright A bar magnet is brought near a wire carrying current into the page (as shown below). What direction is the magnetic force, if any, on the wire from the magnet? O Left O Right O Up O Down Into the page O Out of the page O There is no force on the wire

Answer 1

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