The magnetic field around a current-carrying conductor is

1) parallel to the conductor
2) perpendicular to the conductor
3)circular around the conductor
4) unpredictable in orientation

3. circular around the conductor

Explanation:

When a current runs through the solenoid, the magnetic fields produced by each loop join to form a powerful electromagnet. So when it said loop it should of made you think of circular

a longitudinal wave moves energy that is to the direction of the wave’s movement. - true

the simple machine has three main features. they are:

fulcrum is the center point or pivot point of the machine. effort is input force/ applied force. load is external force/ output.

the keisha 's machine labels are

x : load

y: fulcrum

z: lever