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Is the amount of space charge created at the cathode is primarily controlled by the tube current?

The cathode space charge is determined by the voltage on the filament.


Why is that a space charge region in a pn junction at equilibrium is often made small?

The space charge region in a pn junction at equilibrium is often made small due to:to obtain a high junction capacitance;since the junction capacitance is inversely proportional to the width of the space charge region, the smaller the width, the larger the junction capacitance.to ensure easy diffusion of charge carriers;if the space charge region is made small, that is, the width is made small, the distance for diffusion also becomes short, then it becomes easy for the electrons to diffuse into the p-side and the holes into the n-side


Why does water overflow when you put something in it?

Water overflows when you put something in it due to the principle of displacement. When an object is submerged in water, it pushes aside a volume of water equal to the volume of the object that is submerged. If the volume of the object exceeds the remaining space in the container, the water will spill over the edges. This is a demonstration of Archimedes' principle, which states that the buoyant force on an object is equal to the weight of the fluid it displaces.


Government and contractor personnel work side by side on the Beta project in a contractor and work space. Due to the tremendous progress that has been made in the project both the government progr?

The contractor may not charge the time off to the government contract


Explain the basic principle of working of radio?

Radio is the transmission of signals, by modulation of electromagnetic waves with frequencies below those of visible light. Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of space.