Gas enclosed in an ionization chamber between flat

Using X-rays, excited gas trapped in an ionization chamber between flat plates can be ionized. If 5*10^6 pairs of ions per second are formed in a volume of 1 cm^3 of gas, then it is necessary to determine the saturation current density. It is assumed that each ion carries an elementary charge. The distance between the chamber plates is 2 cm.

Gas in the ionization chamber

Our digital product features an ionization chamber where gas is trapped between flat plates and exposed to X-rays. In this product you will find:

• Detailed information about the operating principle of the ionization chamber
• Description of the process of gas ionization under the influence of X-rays
• Calculation of gas saturation current density in the ionization chamber

Our products are intended for students, teachers and specialists in the fields of physics, electronics and medicine. It can be used for both teaching and research.

This product is a material dedicated to the ionization chamber, in which gas is enclosed between flat plates and irradiated with x-rays. The product contains detailed information about the operating principle of the ionization chamber, describes the process of gas ionization under the influence of X-rays, and also provides a calculation of the saturation current density of the gas in the ionization chamber.

To solve the problem, it is necessary to determine the saturation current density, provided that in a volume of 1 cm^3 of gas 5*10^6 pairs of ions are formed per second, and each ion carries an elementary charge. The distance between the chamber plates is 2 cm.

To calculate the saturation current density, you must use the formula:

J = e * n * v

where J is the saturation current density, units A/m^2; e - electron charge equal to 1.6 * 10^-19 C; n - ion concentration, units 1/m^3; v is the speed of movement of ions, units m/s.

The ion concentration can be found knowing that in a volume of 1 cm^3 of gas 510^6 ion pairs per second. Since each ion carries an elementary charge, the number of ions is 510^6 * 2 = 10^7 ions/cm^3.

The speed of ion movement can be found using the law of conservation of energy:

mv^2/2 = l

where m is the mass of the ion, U is the potential created between the plates of the chamber.

The mass of an ion can be found by knowing the chemical composition of the gas.

Thus, to calculate the saturation current density, it is necessary to know the chemical composition of the gas, the potential created between the plates of the chamber, and also take into account other factors affecting the process of gas ionization.

The presented digital product is a material dedicated to the ionization chamber, where the gas is enclosed between flat plates and irradiated with X-rays. The product contains detailed information about the operating principle of the ionization chamber, describes the process of gas ionization under the influence of X-rays, and also provides a calculation of the saturation current density of the gas in the ionization chamber.

To solve the problem, it is necessary to determine the saturation current density. From the conditions of the problem it is known that in a volume of 1 cm^3 of gas 5*10^6 pairs of ions are formed per second. It is assumed that each ion carries an elementary charge. The distance between the chamber plates is 2 cm.

To calculate the saturation current density, we use the formula: j = I / S, where j is the saturation current density, I is the current, S is the cross-sectional area.

The current can be determined by knowing the number of ions formed per second in a volume of 1 cm^3 of gas. The volume between the chamber plates is 2 cm * S, where S is the cross-sectional area. Thus, the current I can be determined by the formula: I = q * n * S * v, where q is the ion charge, n is the ion concentration, v is the ion velocity.

The ion concentration is equal to the number of ions produced per second divided by the volume of gas between the plates of the chamber: n = 5*10^6 / (1 cm^3 * S).

The speed of the ions can be determined from the kinetic energy they receive under the influence of the electric field between the plates of the chamber. ?energy of the ion E = q * U, where U is the voltage between the plates. The speed of the ion can be determined from the kinetic energy formula: E = 1/2 * m * v^2, where m is the mass of the ion. From these two formulas we can express the speed of the ion: v = sqrt(2 * q * U / m).

Now we can substitute the obtained values ​​into the formula for current I and express the saturation current density j: j = q * n * v. As a result, we obtain a numerical value of the saturation current density in the ionization chamber.

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Product description:

This product is an ionization chamber in which gas is enclosed between flat plates. The camera is designed to measure the saturation current density when irradiated with X-rays.

The ionization chamber has a volume of 1 cm^3 and contains gas, which is ionized under the influence of X-rays, forming 5*10^6 pairs of ions per second. Each ion carries an elementary charge. The distance between the flat plates of the chamber is 2 cm.

The product can be used in scientific and medical research where it is necessary to measure the saturation current density when irradiated with X-rays.

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