Mastering Physics Solutions: An Electron in a Diode

Mastering Physics Solutions: An Electron in a Diode

On February 9, 2014, in Chapter 16: Electric Potential, Energy, and Capacitance, by Mastering Physics Solutions

Part A = 9.16 * 10^6 m/s

Find its speed vfinal when it strikes the anode.

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Mastering Physics Solutions: Electrostatic Force of Water on a Chlorine Ion

Mastering Physics Solutions: Electrostatic Force of Water on a Chlorine Ion

On September 15, 2013, in Chapter 15: Electric Charge, Forces, and Fields, by Mastering Physics Solutions

Part A = 6.58 * 10^-13 N
Part B = negative x
Part C = attractive

Find the magnitude of the electric force, ignoring the sign, that the water molecule exerts on the chlorine ion.
What is the direction of the electric force?
Is this force attractive or repulsive?

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Mastering Physics Solutions: Operation of an Inkjet Printer

Mastering Physics Solutions: Operation of an Inkjet Printer

On September 14, 2013, in Chapter 15: Electric Charge, Forces, and Fields, by Mastering Physics Solutions

Part A = 3.08*10^-14

If a drop is to be deflected a distance d = 0.320 mm by the time it reaches the end of the deflection plate, what magnitude of charge q must be given to the drop?

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Mastering Physics Solutions: Potential of a Charged Cylinder

Mastering Physics Solutions: Potential of a Charged Cylinder

On March 8, 2013, in Chapter 16: Electric Potential, Energy, and Capacitance, by Mastering Physics Solutions

Part A = V = 1/(2πε0h) * ln(h/(2r) + sqrt(1 + (h^2 / (4r^2)))
Part B = V0 = q / (4πε0r)

What is the electric potential V at the origin?
What is the potential V0 in the limit as h goes to zero?

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Mastering Physics Solutions: Potential of a Charged Disk

Mastering Physics Solutions: Potential of a Charged Disk

On March 6, 2013, in Chapter 16: Electric Potential, Energy, and Capacitance, by Mastering Physics Solutions

Part A = V(z) = 2kQ/a^2 * (sqrt(z^2 + a^2) – z)
Part B = E = 2kq/a^2 * (1 – (z)/sqrt(a^2 + z^2))

What is the electric potential V(z) on the z axis as a function of z, for z > 0?
What is the magnitude of the electric field E on the z axis, as a function of z, for z > 0?

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Mastering Physics Solutions: Force between Capacitor Plates

Mastering Physics Solutions: Force between Capacitor Plates

On March 2, 2013, in Chapter 16: Electric Potential, Energy, and Capacitance, by Mastering Physics Solutions

Part A = F(V) = 1/2 * Aε0(V^2 / d^2)

Find F(V), the magnitude of the force each plate experiences due to the other plate as a function of V, the potential drop across the capacitor.

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