Physics & Space Science


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About the Physics & Space Science category [Physics & Space Science] (1)
If a = 3.0 mm, b = 4.0 mm, Q<sub>1</sub> = 60 nC, Q<sub>2</sub> = 80 nC, and q = 32 nC in the figure, what is the magnitude of the electric force on q? [Introductory Physics] (3)
If a = 3.0 mm, b = 4.0 mm, Q<sub>1</sub> = 60 nC, Q<sub>2</sub> = 80 nC, and q = 24 nC in the figure, what is the magnitude of the electric force on q? [Introductory Physics] (3)
If a = 3.0 mm, b = 4.0 mm, Q<sub>1</sub> = −60 nC, Q<sub>2</sub> = 80 nC, and q = 30 nC in the figure, what is the magnitude of the electric force on q? [Introductory Physics] (3)
If a = 3.0 mm, b = 4.0 mm, Q<sub>1</sub> = 60 nC, Q<sub>2</sub> = −80 nC, and q = 36 nC in the figure, what is the magnitude of the electric force on q? [Introductory Physics] (3)
In the figure, if Q = 30 μC, q = 5.0 μC, and d = 30 cm, what is the magnitude of the electrostatic force on q? [Introductory Physics] (3)
The electric flux through the two adjacent spherical surfaces shown below is known to be the same [Introductory Physics] (3)
Three originally uncharged infinite parallel planes are arranged as shown. Then the upper plate has surface charge density σ placed on it while the lower plate receives surface charge density −σ. The net charge induced on the center plate is [Introductory Physics] (3)
A positive point charge q is placed at the center of an uncharged metal sphere insulated from the ground. The outside of the sphere is then grounded as shown. Then the ground wire is removed. A is the inner surface and B is the outer surface. Which statement is correct? [Introductory Physics] (3)
Can the lines in the figure below be equipotential lines? [Introductory Physics] (3)
Which of the following represents the equipotential lines of a dipole? [Introductory Physics] (3)
If a = 30 cm, b = 20 cm, q = +2.0 nC, and Q = −3.0 nC in the figure, what is the potential difference V<sub>A</sub> − V<sub>B</sub>? [Introductory Physics] (3)
The equivalent capacitance of the circuit shown below is [Introductory Physics] (3)
The equivalent capacitance of the circuit shown below is [Introductory Physics] (3)
The equivalent capacitance of the circuit shown below is [Introductory Physics] (3)
If V<sub>A</sub> − V<sub>B</sub> = 50 V, how much energy is stored in the 54-μF capacitor? [Introductory Physics] (3)
If V<sub>A</sub> − V<sub>B</sub> = 50 V, how much energy is stored in the 36-μF capacitor? [Introductory Physics] (3)
Determine the energy stored in the 40-μF capacitor [Introductory Physics] (3)
Determine the energy stored in the 60-μF capacitor [Introductory Physics] (3)
What total energy is stored in the group of capacitors shown if the potential difference V<sub>ab</sub> is equal to 50 V? [Introductory Physics] (3)
What is the potential difference across C<sub>2</sub> when C<sub>1</sub> = 5.0 μF, C<sub>2</sub> = 15 μF, C<sub>3</sub> = 30 μF, and V<sub>0</sub> = 24 V? [Introductory Physics] (3)
What is the total energy stored in the group of capacitors shown if the charge on the 30-μF capacitor is 0.90 mC? [Introductory Physics] (3)
How much energy is stored in the 50-μF capacitor when V<sub>a</sub> − V<sub>b</sub> = 22V? [Introductory Physics] (3)
What is the total energy stored by C<sub>3</sub> when C<sub>1</sub> = 50 μF, C<sub>2</sub> = 30 μF, C<sub>3</sub> = 36 μF, C<sub>4</sub> = 12 μF, and V<sub>0</sub> = 30 V? [Introductory Physics] (3)
Determine the charge stored by C<sub>1</sub> when C<sub>1</sub> = 20 μF, C<sub>2</sub> = 10 μF, C<sub>3</sub> = 30 μF, and V<sub>0</sub> = 18 V [Introductory Physics] (3)
Determine the energy stored by C<sub>4</sub> when C<sub>1</sub> = 20 μF, C<sub>2</sub> = 10 μF, C<sub>3</sub> = 14 μF, C<sub>4</sub> = 30 μF, and V<sub>0</sub> = 45 V [Introductory Physics] (3)
Determine the energy stored in C<sub>1</sub> when C<sub>1</sub> = 10 μF, C<sub>2</sub> = 12 μF, C<sub>3</sub> = 15 μF, and V<sub>0</sub> = 70 V [Introductory Physics] (3)
Determine the energy stored in C<sub>2</sub> when C<sub>1</sub> = 15 μF, C<sub>2</sub> = 10 μF, C<sub>3</sub> = 20 μF, and V<sub>0</sub> = 18 V [Introductory Physics] (3)
Determine the equivalent capacitance of the combination shown when C = 24 μF [Introductory Physics] (3)
Determine the equivalent capacitance of the combination shown when C = 45 μF [Introductory Physics] (3)