# Active Physics Unit 2 Review: Question Preview (ID: 21286)

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If you move a magnet with a magnetic field towards a solenoid, the solenoid creates a magnetic field to repel it. If you move the magnet away from the solenoid, a magnetic field will be created to
a) attract it
b) repel it
c) push it up
d) push it down

If you move a magnet into a solenoid, the galvanometer deflect to the right. If you move it out of the solenoid, the galvanometer will deflect to the
a) down
b) up
c) right
d) left

What is the symbol for magnetic flux?
a) A circle with a line through is, or phi
b) A
c) B
d) EMF

If you move a magnet with a magnetic field away from a solenoid, the solenoid creates a magnetic field to attract it. If you move the magnet towards the solenoid, the solenoid will make a magnetic field to
a) attract the magnet
b) repel the magnet
c) push the magnet up
d) push the magnet down

Induced is another word for
a) movement
b) voltage
c) magnetism
d) create

Found that if you move a conductive wire into a magnetic field so that it cuts the magnetic field lines, an electric current will be created. This is known as
a) Oersted's Law
b) Einstein's Law
c) Lenz's law

A device used to measure current is also known as
a) A voltmeter
b) a galvanometer
c) A solenoid
d) A generator

The direction of the induced current is such that the magnetic field resulting from the induced current opposes the change in the field that caused the induced current. This is known as
a) Lenz's Law
c) Einstein's Law
d) Oersted's Law

To create a current, you can either move the conductor through the magnetic field, or you can move the magnetic field through the conductor. This is also known as
a) A galvanometer
b) Electromagnetic Induction
c) a motor
d) a generator

A measure of the magnetic field lines in an area is also known as
a) mechanical energy
b) electromagnetism
c) magnetic field
d) Magnetic flux

In order to increase magnetic flux you can
a) increase the number of magnetic field lines or decrease the area
b) decrease the number of magnetic field lines or decrease the area
c) increase the number of magnetic field lines or increase the area
d) decrease the number of magnetic field lines or increase the area

What does DC mean?
a) Drag current
b) Distance current
c) Alternating current
d) Direct current

What does AC stand for?
a) Direct current
b) Alternating current
c) Assisted current
d) Alloted current

EMF stands for
a) Electromotive force
b) Electromagnetism force
c) Electricity Force
d) Electromovement force

EMF is another term to find
a) current
b) resistance
c) Voltage
d) Power

The unit for EMF is
a) A for Amps
b) V for volts
c) c for current
d) EMF for volts

Mechanical Energy means
a) Energy of motion
b) Energy of machines
c) Energy of electricity
d) Energy of magnetism

Electrical Energy means
a) Energy from movement
b) Energy from electromagnetism
c) Energy from the flow of electrons (electricity)
d) Energy from Electrical wiring

Generators convert
a) electrical energy to mechanical energy
b) mechanical energy to electrical energy
c) electrical energy to magnetism
d) mechanical energy to wind energy

Motors convert
a) electrical energy to mechanical energy
b) mechanical energy to electrical energy
c) mechanical energy to wind energy
d) electrical energy to wind energy

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