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# HC Verma Magnetic Field Due to Current Solutions (Chapter 35)

HC Verma Solutions for Class 12 Physics Part-2 Chapter 35 have been prepared after extensive research on the magnetic field due to current, thus making it one of the best solutions available to you. It offers you step-by-step and to the point explanation of every topic. The HC Verma Class 12 Physics Solutions will help you to form a strong conceptual base that will even support you in the later stages of your studies.

HC Verma Magnetic Field Due to Current Solutions has 4 exercises with a total of 92 questions. Each question has been properly explained in this chapter with the help of numerous examples and illustrations. The solutions also provide you with an accurate and easy explanation of all the main topics of the chapter including Biot-Savart Law, Ampere’s Law, solenoid, toroid, the magnetic field at a point due to long straight current, and magnetic field due to current in a straight wire.

The HC Verma Solutions for Class 12 Physics provided by Instasolv will help you to clear your doubts and queries in a precise manner. The solutions are extremely handy during your preparation of CBSE board exams as well as competitive exams preparation like JEE and NEET. They will further ensure that you have a good performance.

## Important Topics for HC Verma Concepts of Physics Part-2 Solutions Chapter 35: Magnetic Field Due to Current

Biot-Savart Law

The Biot-Savart law is defined as an equation where the magnetic field is created by a constant electric current. It relates the magnetic field to the direction, length, magnitude, and proximity of the electric current.

Magnetic Field Due to Current Passing through a Straight Wire

The concentric circles whose centres lie on the wire are the magnetic field lines over a straight conductor carrying current. Using Right-Hand Thumb Rule the direction of magnetic field lines can be determined.

Field due to Circular Current

The magnetic field over a  straight conductor carrying current can be increased by warping the wire into a circular loop. With the help of a large number of small straight wires, a circular loop is made. A magnetic field is made by an electric current flow over a circular coil of wire.

Ampere’s Law

Ampere’s law defines that the magnetic field made by an electric current is directly proportional to the size of that electric current with a constant or proportionality equivalent to the accessibility of free space. Stationary charges generate an electric field directly proportional to the magnitude of the charge.

Solenoid

A solenoid refers to a type of electromagnet producing a controlled magnetic field over a coil wound into a  tightly packed helix. The coil can be in an order to generate a uniform magnetic field in a volume of space when an electric current is passed over it.

Toroid

A toroid is defined as a coil which is an insulated wire wound on a doughnut-shaped type formed by powdered iron. In electronic circuits, a toroid is used as an insulator, mainly at low frequencies where large inductances are essential.

Magnetic Field Produced at a Point due to Long Straight Current

The magnetic field produced by current:

• Compasses placed nearby a straight carrying current wire specifies that filed lines form circular loops centred on the wire.
• Right- hand rule 2 defines that if the right- hand thumb point is in the direction of the current then the fingers bend in the direction of the field.

### Exercise-wise Discussion for HC Verma Concepts of Physics Part-2 Solutions Chapter 35: Magnetic Field Due to Current

Exercise 1 – Short Answer Type Questions

This is the first exercise of the HC Verma Solutions Magnetic Field Due to Current Solutions. It consists of a total of 12 short answer type questions based on Biot-Savart Law, Ampere’s Law, Solenoid, and Toroid. Practising these questions will help you prepare for the CBSE exams well along with other competitive exams such as JEE and NEET.

Exercise 2 – Objective Type Questions I

Exercise 2 consists of a total of 12 questions based on the magnetic field due to current in a straight wire. These are the objective type questions that will help you to make your concepts stronger.

Exercise 3 – Objective Type Questions II

This exercise of HC Verma Part 2 Magnetic Field Due to Current also consists of 7 objective type questions. In these questions, you can have two or more correct statements.

Exercise 4 – Long Answer Type Questions

This is the last exercise and consists of 61 questions based on the important concept of the chapter including the magnetic field at a point due to long straight current.

## Why Use HC Verma Concepts of Physics Part-2 Solutions Chapter 35: Magnetic Field Due to Current by Instasolv?

• HC Verma Concepts of Physics Part 2 Solutions for Magnetic Field Due To Current are meticulously prepared by the subject experts at Instasolv.
• All the solutions are based as per the latest syllabus of CBSE Physics for Class 12.
• Simple language, crisp, and lucid explanation has made the solutions very comprehensive.
• Apart from HC Verma textbooks refer to the chapter-wise solutions of HC Verma Class 12 Physics to remove any doubt in the subject.