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Object A is metallic and electrically neutral. It is charged by induction so that it acquires a charge of -3.0 x 10^-6 C.
The potential difference between the two locations is Vb-Va= 45.0 V. What is the magnitude and sign of the charge?
Calculate the surface charge density on the inside surface of the conducting sphere.
Find the electron potential inside and outside of a spherical conductor of radius R = 15 cm carrying a charge Q = 10^-9 C.
Calculate the magnitude of the electric field at r = 0.57 m. Calculate the magnitude of the electric field at r = 1.73 m.
If the potential on the outer surface of the membrane is +70.0 mV greater than that on the inside surface, how much charge resides on the outer surface?
What is the charge density of a uniform infinitesimally thin spherical shell shell of Radius R and total charge Q which is centered at the origin.
Under what circumstances will the drift speed of electrons be the same in both wires? Choose the answer that best fits.
Where must an electron be placed relative to the point charge so that the electric force acting on the electron is exactly opposite to its own weight?
When I placed packing peanuts in a pie plate they also flew off. Why? Can this be explained by the same physical mechanism as question .
Calculate the magnitude of the electric field at any point between the cylinders a distance r from the axis.
Find the electric field at point P on the x-axis at a distance x from the origin. What if the system was less symmetric?
Is it impossible for two people to simultaneously operate 1300W hair dryers on the same 120V circuit without tripping a 15A circuit breaker? Explain?
A test charge of +2 x 10-7C is located 5cm to the right of a charge of +1 x 10-6C and 10cm to the left of a charge of -1 x 10-6C.
A capacitor has a capacitance of 6.40uF. How much charge must be removed to lower the potential difference of its plate by 50.0V?
Now the charges Q1= 1.22·10-6 C and Q2= -3.03·10-6 C are fixed at their positions, distance 0.235 m apart, and the charge Q3= 3.33·10-6 C
An electron travels along the x-axis in a horizontal (x-y) plane, in the positive direction. It experiences a force in the vertical (z) direction.
A straight wire is carrying current along the x-axis in the +x direction. A second straight wire is carrying an equal current along the y-axis.
A point particle with charge q=80uC is placed at a corner of a cube of edge a=8.1cm. What is the flux through each cube face forming the corner?
The electrostatic field E in a particular region can be expressed in terms of spherical coordinates. Derive an expression for the potential difference.
Treat the planet's atmosphere like a parallel plate capacitor. Use the parallel-plate capacitor equations.
One gram equivalent weight of Lithium is 6.941 grams, according to chemical reaction analysis.
Determine the electric force acting on an electron placed in a uniform north-to-south E-field of 8.0 x 10^4 N/C in vacuum.
A magnetic field of 6.0 u T is to be produced 10 cm from a single long straight wire in air. How much current must it carry?
In a circular region of radius r1 there is a uniform magnetic field coming out of the page and decreasing at a constant rate dB/dt = -K. A circular wire.