This is made by putting a galvonometer in series with a high resistance
What is a voltmeter
100
Magnetic field lines go from _______ to _______.
What is North to South?
100
When using the first left hand rule, your thumb represents the direction of this.
What is the electron flow or current?
100
In the second left hand rule, your thumb points toward this pole.
What is north?
100
Using the third left hand rule, the force is represented by this.
What is the palm?
200
A transformer is used to change this.
What is voltage?
200
The magnetic field is _________ where there is a high density of magnetic field lines.
What is strongest?
200
When electron flow is to the right on a straight wire going left-right, the B field above the wire goes in this direction.
What is into the page?
200
To increase the magnetic field of a current-carrying straight wire, you should do this.
What is wind the wire into coils?
200
The angle between electron flow and magnetic field must be this for a force to exist.
What is 90 degrees?
300
This is used to keep a motor turning in the same direction.
What is a split-ring commutator?
300
Between north pole and ______ pole, there will be an area with no magnetic field.
What is north?
300
If electron flow is downward on a wire positioned up-down, the B field to the left of the wire is in this direction.
What is out of the page?
300
If the wire leaving the negative side of the battery loops from the back of an iron core first, the resulting north pole of the magnetic field points this way.
What is left?
300
If the B field is to the right and the electron flow is down, the force is in this direction.
What is into the page?
400
This is the machine you create when you use mechanical motion to induce a current.
What is a generator?
400
Magnetic field lines form _________ because of its dipole nature.
What are loops?
400
A B field going clockwise flat against the page indicates that the current is going in this direction.
What is out of the page?
400
Placing a wooden dowel in the core of a solenoid will do this to the magnetic field.
What is nothing?
400
If the B field is into the page and the force is up, the elctron flow is in this direction.
What is to the left?
500
You connect a galvanometer in parallel with a low resistance to create this.
What is an ammeter?
500
Placing a piece of _______ between a magnetic north and magnetic south increases the magnetic field strength between them.
What is iron?
500
These symbols represent "into the page" and "out of the page", respectively.
What are x's and dots?
500
Wrapping a current-carrying wire more times around a core results in this.
What is a stronger magnetic field?
500
If the force is to the right and the electron flow is out of the page, the B field is in this direction.