A magnetic field goes through a loop of wire. as shown below, with the field directed into the screen. If the magnitude of the magnetic field is increasing. what can we say about the current in the loop? O The loop has a clockwise current. O The loop has no current. O The loop has a counterclockwise current. Question 2 (1 point) 5-! A magnetic field goes through a loop of wire, as shown below, with the field directed into the screen. If the magnitude of the magnetic field is decreasing, what can we say about the current in the loop? O The loop has a clockwise current. O The loop has a counterclockwise current. O The loop has no current. Question 3 (1 point) 5-! A magnetic field goes through a loop of wire, as shown below, with the field directed into the screen. If the magnitude of the magnetic field is constant, what can we say about the current in the loop? O The loop has no current. O The loop has a counterclockwise current. O The loop has a clockwise current. Question 4 (1 point} E-Il Which of the following will cause an induced current in a coil of wire? O The constant field of the earth passing through the coil. O A magnet being moved into or out of the coil. O A magnet resting near the coil. O A wire carrying a constant current near the coil. Question 5 (1 point} en A battery, a loop of wire. and a switch make a circuit (in the diagram below). A second loop of wire sits directly below the first. Just before the switch is closed. what can we say about the current in the lower loop, as viewed from above? 3 'o O The loop has no current. O The loop has a counterclockwise current. O The loop has a clockwise current. Question 6 (1 point} E-Il A battery, a loop of wire. and a switch make a circuit (in the diagram below). A second loop of wire sits directly below the first. Immediately after the switch is closed. what can we say about the current in the lower loop, as viewed from above? O The loop has a counterclockwise current. O The loop has a clockwise current. O The loop has no current. Question 7 (1 point) 6 Listen A battery, a loop of wire, and a switch make a circuit (in the diagram below). A second loop of wire sits directly below the first. Long after the switch is closed, what can we say about the current in the lower loop, as viewed from above? O The loop has a counterclockwise current. O The loop has no current. O The loop has a clockwise current. Question 8 (1 point) Listen A battery, a loop of wire, and a switch make a circuit (in the diagram below). A second loop of wire sits directly below the first. Immediately after the switch is re-opened, what can we say about the current in the lower loop, as viewed from above? O The loop has a clockwise current. The loop has no current. The loop has a counterclockwise current. Question 9 (1 point) Listen By what factor will the magnetic flux through a square loop change if the magnetic field is halved and the length of the sides of the square loop are doubled? O it doubles O it decreases by 1/2 no change Question 10 (1 point) ) Listen According to Lenz's law, the induced current in a coil must flow in such a direction to oppose the flux through that circuit. O True O False