Lab: Magnetic and Electric Fields

Question 1

Predict what would happen to the strength of the electromagnet in each situation.

Revolt · Accepted Answer

Using a battery with a higher voltage:: stronger force of attraction; Wrapping the wire around the nail only three times:: weaker force of attraction; Changing the direction of the current by reversing the battery connections:: no change; Using a plastic stick in place of the iron nail:: weaker force of attraction; Holding the nail vertically rather than horizontally:: no change

Question 2

type of material✔ charge of an objectmovement of a magnetpresence of an electric field

Revolt · Accepted Answer

charge of an object

Question 3

type of materialcharge of an object✔ movement of a magnetpresence of an electric field

Revolt · Accepted Answer

movement of a magnet

Question 4

type of materialcharge of an objectmovement of a magnet✔ presence of an electric field

Revolt · Accepted Answer

presence of an electric field

Question 5

✔ magnetwindlight source

Revolt · Accepted Answer

✔ magnet

Question 6

Use the drop-down menus to complete the passage.

Revolt · Accepted Answer

✔ an electric current; A galvanometer detects by showing needle movement in . If the wires in this galvanometer are attached to the terminals of a battery, the compass needle will move and point to the wrapped coil of wire.: an electric current; A galvanometer detects by showing needle movement in . If the wires in this galvanometer are attached to the terminals of a battery, the compass needle will move and point to the wrapped coil of wire.: a magnetic field; A galvanometer detects by showing needle movement in . If the wires in this galvanometer are attached to the terminals of a battery, the compass needle will move and point to the wrapped coil of wire.: perpendicular; A galvanometer detects by showing needle movement in . If the wires in this galvanometer are attached to the terminals of a battery, the compass needle will move and point to the wrapped coil of wire.: opposite; A galvanometer detects by showing needle movement in . If the wires in this galvanometer are attached to the terminals of a battery, the compass needle will move and point to the wrapped coil of wire.: magnet

Question 7

an electric current✔ a magnetic fielda vacuum

Revolt · Accepted Answer

✔ a magnetic field

Lab: Magnetic and Electric Fields Answers

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