SAT II Physics : SAT Subject Test in Physics
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Example Questions
Example Question #21 : Sat Subject Test In Physics
A man moves a 
Work is given by the equation:
We know the force with which the man pulls, the angle, and the distance that the crate travels. Using these values we can solve the equation for the work done.
Example Question #1 : Electricity And Magnetism
If a circuit contains a 
Ohm's law states:
Where 
We can substitute the given values from the question into the equation and solve:
Example Question #2 : Electricity And Magnetism
There are three resistors in parallel in a circuit with resistances of 
What is the equivalent resistance?
The equation for resistors in parallel is:
We are given the values of the resistors. Using this formula, we can solve for the equivalent resistance.
Plug in the given values and solve.
Example Question #1 : Resistors
A voltage of 
This question can be solved using Ohm's law:
We are given the voltage and the current. Using these values, we can solve for the resistance.
Example Question #21 : Sat Subject Test In Physics
A capacitor with capacitance 
Capacitance of a circuit is defined by the equation:
Where 
Since the metal plates are cut in half, the area is halved. We can substitute 
The result is that the capacitance is half the original quantity.
Example Question #1 : Coulomb's Law
If the distance between two charged particles is doubled, the strength of the electric force between them will __________.
remain unchanged
double
quadruple
be quartered
be halved
be quartered
Coulomb's law gives the relationship between the force of an electric field and the distance between two charges:
The strength of the force will be inversely proportional to the square of the distance between the charges.
When the distance between the charges is doubled, the total force will be divided by four (quartered).
Example Question #1 : Electricity And Magnetism
On which of the following does the amount of work required to move a charge in an electric field depend?
Neither the potential nor the path traveled
Both the potential and the path traveled
Only the magnetic field
Only the path traveled
Only the change in potential
Only the change in potential
Work done by electric field is defined:
Notice that the only variable in the equation is the potential, so this is the only quantity on which work depends.
Example Question #1 : Thermodynamics
A 
The relationship between mass and temperature, when two masses are mixed together, is:
Using the given values for the mass and specific heat of each compound, we can solve for the final temperature.
We need to work to isolate the final temperature.
Distribute into the parenthesis using multiplication.
Combine like terms.
Example Question #1 : Frequency And Period
What is the wavelength of a 
The relationship between wavelength and velocity is given by the equation;
The question gives us the velocity of the wave and its frequency. Using these values, we can solve for the wavelength.
Example Question #21 : Sat Subject Test In Physics
What best describes how a wave is affected when it travels from one medium to another medium?
Neither speed not frequency change
Both speed and frequency change
The wave speed changed, but the frequency remains the same
The frequency changes, but the speed remains the same
The wavelength does not change
The wave speed changed, but the frequency remains the same
It is a property of waves that the frequency remains constant and speed changes as it passes from one medium to another.
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