Physics Semester Final Review

When two electric charges that share the same sign are near each other, they will __________________.

• Have no effect on each other

• Repel each other

• attract each other

• annihilate each other

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NGSS.HS-PS2-4

Which particle will determine the strength of an electric charge?

• Proton

• Neutron

• Atom

• Electron

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NGSS.HS-PS2-4

NGSS.HS-PS2-5

NGSS.HS-PS3-5

When charging occurs due to two objects being in contact with each other, this is called _____________________.

• Charging by induction

• charging by friction

• charging by transfer

• charging by conduction

A 9V battery is connected to a circuit. The current flowing through the circuit is 2A, what is the resistance in the circuit?

• 4.5 Joules

• 18 Joules

• 4.5 Amps

• 18 Amps

A circuit with a 6.0 volt battery attached contains three resistors of 25.0 Ohms, 30.0 Ohms, and 40.0 Ohms connected in series. What is the current in the circuit?

• 0.085A

• 1.4A

• 0.065A

• 1.240A

What happens to a magnet when it is broken into two separate pieces?

• You will have two magnets, each with one magnetic pole

• You will have two pieces of metal with no magnetic properties

• You will have two magnets, each with two opposite magnetic poles

• The larger piece will retain the magnetism, but the smaller piece will not

Any wire that has an electric current running through it will also have a ________________.

• solenoid

• magnetic field

• right-hand field

• closed circuit

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NGSS.HS-PS2-5

NGSS.HS-PS3-5

In the equation 𝐹 = 𝑞𝑣𝐵, what does the v represent?

• charge

• variable current

• field strength

• velocity

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NGSS.HS-PS2-5

A high-speed electron travels at right angles to a magnetic field of 0.420 T. The electron is traveling at 3.46 x 10⁷ m/s. What is the magnitude of force acting on the electron?

• 2.33 x 10^-12 N

• 1.73 x 10^-12 N

• -4.54 x 10^-12 N

• 2.63 x 10^-12 N

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NGSS.HS-PS2-1

NGSS.HS-PS3-5

A wire is at right angles to a uniform magnetic field of 0.400 T. The current through the wire is 4.00 A. What is the force that acts on the wire when 60.0 cm is in the field?

• 0.678N

• 0.540 N

• 0.960 N

• 1.435 N

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5