## Principles of Electricity and Electromagnetism |

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Page 73

If the bubble is raised to a potential V by being touched with a wire from a static

machine, show that the radius of the bubble increases to r, where r is

In the discussion of the quadrant electrometer in the text it was assumed that the

...

If the bubble is raised to a potential V by being touched with a wire from a static

machine, show that the radius of the bubble increases to r, where r is

**given**by 4.In the discussion of the quadrant electrometer in the text it was assumed that the

...

Page 74

The electrostatic torque is opposed by the restoring torque of a fiber which is

fixed to a movable plate and V is the potential difference between the two sets,

show ...

The electrostatic torque is opposed by the restoring torque of a fiber which is

**given**by k6, where 6 is the angle of entry of the plates. If d is the distance from afixed to a movable plate and V is the potential difference between the two sets,

show ...

Page 237

Show that the equivalent output resistance (ep/ip) is

nplis) and that in the absence of it and other complicating effects ii„ = 0 and the

equivalent output resistance is rp. What is the importance of this quantity and that

of ...

Show that the equivalent output resistance (ep/ip) is

**given**by r r, + re *r( + rc(l -nplis) and that in the absence of it and other complicating effects ii„ = 0 and the

equivalent output resistance is rp. What is the importance of this quantity and that

of ...

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alternating current alternating-current ampere amplifier amplitude angle angular anode antenna applied approximately armature assumed atom axis calculated capacity cathode cell characteristic charge circuit coefficient coil component condenser conducting conductor considered constant curl current flowing curve deflection density determined dielectric dielectric constant direct-current direction discharge effective electric field electromagnetic electromotive force electrons electrostatic element energy equal equation flux force frequency function galvanometer given grid hence impedance induction integral ions known Laplace's equation length linear load magnetic field magnetic induction magnitude maximum measured metal meter negative normal obtained ohms oscillations output parallel phase plane plate polarization positive potential difference potential wave potentiometer produced proportional quantities radiation radius ratio reactance region represents resistance resonant rotation scalar Show shown in Fig solenoid solution surface temperature terminals theorem torque tube unit vector velocity voltage volts wire written zero