NCERT Solutions for Class 12 Physics Chapter 7

Table of Contents

Subject specialists have created NCERT Solutions for Class 12 Physics Chapter 7 Alternating Current, which includes thorough solutions for reference. All of the questions from the textbook’s exercises are answered here. Students can use these answers to help them prepare for their exams. The NCERT Solutions for Class 12 provide useful solutions for improving conceptual knowledge.

The solutions are carefully solved using student-friendly terms while still adhering to the norms that must be followed when solving NCERT Solutions for Class 12. Practicing these answers can be incredibly advantageous not only in terms of exams but also in terms of helping Class 12 pupils perform well in upcoming competitive exams.

The approaches for answering have been given special consideration to stay on target while not deviating from the intended answer. Because time is so important in exams, excellent time management when answering questions is essential for getting the best results.

NCERT Solutions for Class 12 Physics Chapter 7 – Free CBSE PDF Download

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For students to develop their skills in the topic of Alternating Current, we have supplied NCERT Solutions for Class 12 Physics Chapter 7 Alternating Current. A student may master the topic with the aid of NCERT Class 12 Physics Solutions for Chapter 7 Alternating Current PDF, which includes questions and answers.

Class 12 Physics NCERT Solutions for Chapter 7 Alternating Current

Alternating Current is a vital chapter in Class 12 Physics’ Unit-Electromagnetic Induction and Alternating Currents, and it is classified as a term – I in the CBSE Syllabus for 2021-22. This chapter must be well-understood by students in order to achieve excellent results on their first-term exams. NCERT Solutions for Class 12 are also one of the most useful resources for preparing for Class 12 Physics.

The topics and subtopics covered in NCERT Class 12 Physics Chapter 7 Alternating Current are listed below:

Introduction
AC Voltage Applied To A Resistor
Representation Of Ac Current And Voltage By Rotating Vectors — Phasors
AC Voltage Applied To An Inductor
AC Voltage Applied To A Capacitor
AC Voltage Applied To A Series LCR Circuit
Phasor-diagram solution
Analytical solution
Resonance
LC Oscillations
Transformers

Some key points of Class 12 Physics Alternating Current are given below:

When a value for AC voltage or current is stated, it is usually the RMS value.
In ac circuits, an element’s power rating refers to its average power rating.
In an AC circuit, pure capacitances and pure inductances do not cause any power losses.
An AC circuit’s power consumption is never negative.
A step-up transformer converts a low voltage to a high voltage.
The power factor of an RLC circuit indicates how near the circuit is to achieving maximal power expansion.
When adding voltages across distinct elements in an AC circuit, it’s important to pay attention to their phases.

The Central Board of Secondary Education is the country’s most popular educational board. Class 10 and Class 12 term-wise examinations are conducted by the CBSE using the most recent curriculum (2021-22). The NCERT Solutions are written by subject specialists and are based on the most recent CBSE Physics Syllabus. This allows students to grasp the topics more effectively.

Our professionals provide the NCERT Solutions and instructions needed to pass the Class 12 term-by-term examination. Our subject specialists provide you with timely feedback once you submit each assignment, in addition to study materials.

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Frequently Asked Questions (FAQs)

What are the topics discussed in Chapter 7 of NCERT Solutions for Class 12 Physics?

The topics covered in Chapter 7 of NCERT Solutions for Class 12 Physics is as follows – Introduction Ac Voltage Applied To A Resistor Representation Of Ac Current And Voltage By Rotating Vectors — Phasors Ac Voltage Applied To An Inductor Ac Voltage Applied To A Capacitor Ac Voltage Applied To A Series Lcr Circuit Lc Oscillations Transformers

Are the NCERT Solutions for Class 12 Physics Chapter 7 helpful for the students?

The NCERT Solutions for Class 12 Physics Chapter 7 provide precise explanations in easy language to assist students in performing well on their first-term exams. The step-by-step manner of completing questions gives pupils a clear notion of the marks weighting according to the CBSE term – I Syllabus. Students will be able to identify their areas of weakness and try to improve them in order to improve their academic performance.

Define transformers according to NCERT Solutions for Class 12 Physics Chapter 7?

In the most basic sense, a transformer is something that converts. When we look at it more closely and in relation to electric current, however, it is defined as a static device that adjusts the voltage level between circuits. The transformer is a voltage control device that is commonly utilized in alternating current power distribution and transmission.