Q4 BB#1 Electricity, Electromagnetism & Motors/Generators Review

All of the following are examples of static electricity EXCEPT

• charged comb picking up small pieces of paper

• lightning

• charging a phone

• wool socks on a carpet

Type of electricity where the electrons flow in the same direction all the time, from negative to positive.

• direct current

• alternating current

• static electricity

• current electricity

Which type of current is shown in the image?

• direct current

• alternating current

• static electricity

• current electricity

Tags

NGSS.HS-PS2-5

All of the following are sources of alternating current EXCEPT

• wind and solar generators

• nuclear plants

• batteries

• hydroelectric plants

Direct currents are used for the following EXCEPT

• computers

• cellphones

• iPad

• motors

Electromagnets are created by passing a current through wire wrapped around an iron core.

• True

• False

Tags

NGSS.MS-PS2-5

Electromagnets do not turn on and off when the current is switched on and off.

• True

• False

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

If a magnet is broken into smaller pieces, each piece will still have a north and south pole.

• True

• False

Opposite poles attract, like poles repel.

• True

• False

Tags

NGSS.MS-PS2-3

In using the manual multimeter, choose a setting that is lower than what you think the reading will be.

• True

• False