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HC Verma Electric Current Through Gases Solutions (Chapter 41)

HC Verma Solutions for Class 12 Physics Part-2 Chapter 41 makes you understand the effect of electric current when passed through gases. The main topics of the chapter include the discharge through gasses at low pressure, cathode rays, canal rays or positive rays, discovery and properties of the electron, thermionic emission, diode valve, and triode valve.

The chapter of HC Verma Electric Current Through Gases Solutions consists of a total of 4 exercises with 49 questions. You can get 100% accurate and precise solutions for all the questions available in the chapter explained by expert Physics teachers at Instasolv. Following the HC Verma Class, 12 Physics Solutions provided by Instasolv will not only help you to understand the topics easily but also helps in learning Physics in a broad spectrum.

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Important Topics for HC Verma Concepts of Physics Part-2 Solutions Chapter 41: Electric Current Through Gases

Electric Current

An electric current refers to the rate of flow of electric charge, formerly a point or region. An electric current is considered to exist when there is a net flow of electric charge through a region. In electric circuits, this charge is often passed by electrons that are moving through a wire.

Cathode Rays

Cathode rays are torrents of electrons detected in discharge tubes. If a displaced glass tube is fixed with two electrodes and a voltage is applied, glass behind the positive electrode is detected to glow, due to electrons produced from the cathode.

Canal Rays or Positive Rays

Canal rays are the rays of radiation that arise in a tube that has been settled and has the feature of low pressure with a voltage of high-value conditions. These canal rays are therefore positive in nature of the charge. They are also mentioned as the Anode rays.

Properties of Electron

There are three fundamental properties of electrons including charge, mass, and spin. By explanation, the electric charge on an electron is −1. The mass of an electron has been calculated and found to be 9.109389 × 10 −31 kilograms. Electrons also twist on their axes in much the similar way that planets do.

Thermionic Emission

Thermionic emission is the discharge of electrons from an electrode by the feature of its temperature. This happens because the thermal energy provided to the carrier overwhelms the work function of the substance. The charge transporters can be electrons or ions, and can sometimes be referred to as thermions.

Diode Valve

The simplest form of a diode valve is the diode. This diode valve is also considered as a vacuum tube. It consists of two conducting electrodes that are enclosed within a displaced glass envelope. These are called the cathode and anode.

Triode Valve

A triode is an electronic intensifying vacuum tube consisting of three electrodes inside a displaced glass envelope including a heated filament or cathode, a grid, and a plate.

Exercise-wise Discussion for HC Verma Concepts of Physics Part-2 Solutions Chapter 41: Electric Current Through Gases

Exercise 1 – Short Answer Type Questions

This exercise of HC Verma Electric Current Through Gases Solutions has around 10 questions which are short answer type questions. These questions are based on the concepts of discharge through gasses at low pressure, cathode rays, and canal rays or positive rays.

Exercise 2 – Objective Type Questions I

Exercise 2 of HC Verma Solutions for Class 12 Physics consist of 9 questions that are multiple-choice questions.

Exercise 3 – Objective Type Questions II

This exercise set has around 7 questions which are also multiple-choice questions. These questions are based on the discovery and properties of the electron, thermionic emission, diode valve, and triode valve.

Exercise 4 – Long Answer Type Questions

This exercise consists of a total of 23 questions based on the main concepts of the HC Verma Chapter 41 Solutions. They are long answer type questions where you will find detailed solutions to the problems. Practising these questions will help you clear your concepts.

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