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Learn Ohm’s law
Imagine water flowing through a garden hose. The pressure pushing the water is similar to electrical voltage, and the actual flow of the water is like the electrical current. In your CBSE Class 10 Science syllabus, under the Electricity chapter, Ohm’s law is the fundamental principle that defines this exact relationship for electrical circuits. Formulated by the German physicist Georg Simon Ohm, this law states that at a constant temperature, the current flowing through a conductor is directly proportional to the potential difference (voltage) applied across its ends.
The core logic behind this law is straightforward: if you increase the electrical pressure (voltage), the flow of electrons (current) increases proportionally, provided the physical conditions like temperature remain unchanged. Mathematically, Ohm's law is expressed using the simple but powerful formula V = I × R, where V stands for Potential Difference in Volts, I represents the Current in Amperes, and R is the Resistance in Ohms (Ω). In this equation, Resistance acts as the constant of proportionality. It represents the opposition to the flow of current; a circuit with a higher resistance will naturally allow less current to flow for a given voltage.
Take a look at the infographic above to visualize Ohm's law in action. On the left side, the Circuit Setup illustrates the standard experimental configuration you need to know for your exams. A battery provides the electrical push, an ammeter (marked 'A', connected in series) measures the current flowing through the circuit, and a voltmeter (marked 'V', connected in parallel) gauges the potential difference across the resistor. On the right side, the V-I Characteristic Graph translates this physical experiment into mathematical proof. When you plot experimental voltage against current, it creates a straight diagonal line passing right through the origin. The slope of this line (calculated as ΔV / ΔI) is exactly equal to the Resistance (R) of the conductor. In your board examinations, you will frequently be asked to draw this exact circuit diagram, verify the linear nature of the V-I graph, or calculate missing numerical variables using the formula.
Mastering circuit diagrams, V-I graphs, and electrical formulas is crucial for scoring well in your Class 10 board exams. If you find numerical problems on Ohm's law or other Electricity concepts challenging to grasp, you are not alone! Consider connecting with experienced, verified Class 10 Science tutors on UrbanPro. Whether you are looking for engaging online tuition or personalized local offline classes, UrbanPro is the safest and most reliable platform to find the perfect tutor to strengthen your physics fundamentals and boost your exam confidence.
Other Concepts in Electricity
- Electric current and circuit
- Electric power
- Heating effect of electric current
- Series and parallel combination of resistors
Other Concept Videos for Ohm’s law
Top Tutors who teach Ohm’s law
Super Tutor 
Badarpur, Delhi 
154 students 
3945 hrs of classes completed 
200 per hour 
Online Classes 
Tutor's home
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Super Tutor Sector 5, Gurgaon 29 students 2333 hrs of classes completed 450 per hour Online Classes Tutor's home Mathematics is not just a subject—it is the backbone of science and the foundation for logical thinking and problem-solving. With over eleven years of teaching experience and a B.Tech degree, I am dedicated to nurturing students' mathematical abilities while instilling confidence and a love for learning. Recognitions & Achievements ✅ UrbanPro Excellency Awards – Top 10 in Class 10 Tuition (2024) & Top 100 Tutors for 2024 ✅ Teacher Innovation Award by ZIIEI (Sri Aurobindo Society) ✅ Certified by Leading Ed-Tech Platforms – UrbanPro Certification, GuruQ Certification These accolades reflect my commitment to providing high-quality education and delivering exceptional learning outcomes for my students. Why Choose Me as Your Child’s Tutor? As an educator, my primary goal is to empower students with a strong conceptual foundation while ensuring they enjoy the learning process. I believe that every child has unique strengths and learning needs, and my approach is tailored to bring out the best in them. 📌 Comprehensive Academic Support: I provide in-depth coaching in Mathematics, Science, and English for Grades V–X and specialize in Mathematics for Grades XI–XII and Undergraduate Courses. 📌 Expert in Competitive & Entrance Exam Preparation: I have successfully guided students in securing admissions to prestigious institutions and excelling in competitive exams, including: 🎯 School Entrance Exams – Sainik School, Military School, Navodaya Vidyalaya, Gurukul Entrance, Central Hindu School, Rai Sports School 🎯 Competitive & Government Job Exams – Olympiads, RIMC, NTSE, SSC MTS, CHSL, DSSSB 📌 Proven Track Record of Student Success: My students have consistently demonstrated remarkable improvement in grades and conceptual understanding. I maintain an individualized learning plan for each student, ensuring they receive personalized guidance and continuous support. Regular assessments, progress reports, and feedback sessions help track improvement and address learning gaps effectively. My Teaching Methodology & Approach I strongly believe that learning should be an engaging and interactive experience rather than rote memorization. My experiential learning approach is designed to: ✔ Encourage critical thinking and problem-solving skills ✔ Foster conceptual clarity through real-life applications ✔ Enhance creativity and independent learning To achieve this, I incorporate modern teaching tools and methodologies, such as: 🖥 Live Interactive Sessions – Engaging discussions to clarify doubts in real time 📊 PowerPoint Presentations & Animations – To visualize complex concepts easily 🖋 Whiteboard Teaching – Step-by-step breakdown of mathematical problems 📚 Comprehensive Study Materials, Worksheets & Assignments – Reinforcing learning through practice Online & Offline Classes: I conduct online classes via digital platforms and in-person sessions at my institute in Gurgaon. For students requiring additional support, I offer home tuition when feasible. Commitment to Student Success 🌟 Personalized Attention: I ensure that every student gets the individual focus they need to overcome challenges and master concepts. 🌟 Supportive Learning Environment: My classes are structured to be patient, encouraging, and motivating, allowing students to ask questions freely and develop confidence in their abilities. 🌟 Building Lifelong Skills: Beyond academics, I emphasize the development of problem-solving abilities, logical reasoning, and exam strategies that benefit students in their future careers. 🌟 Parental Involvement & Regular Feedback: I believe in open communication with parents to discuss their child’s progress, strengths, and areas for improvement. Regular performance reviews ensure that parents stay informed about their child's academic growth. Invest in Your Child’s Future Today! With a proven track record, structured teaching approach, and a passion for education, I am committed to helping students achieve excellence in Mathematics and beyond. If you are looking for a dedicated, award-winning tutor who can provide high-quality education, personalized guidance, and measurable results, I would be delighted to support your child’s learning journey. 📩 Contact me today to discuss how I can help your child excel!
Top Tutor Begur Road, Bangalore 3 students 4 hrs of classes completed 300 per hour Online Classes Tutor's home I have been teaching since last more than 5 years. My way of teaching style is so simple so that it make students very easier to understand. I am taking classes of Math, Hindi and Sanskrit subject.
Top Tutor Mohkam Pur Kala, Dehradun 1 student 
Student's Home Tutor's home 5 years experience in teaching in math and science
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FAQ
What is the meaning of Ohm’s law?
It is a fundamental principle in Electricity that explains the nature and characteristics of Ohm’s law.
Why is Ohm’s law important for CBSE - Class 10 exams?
This concept is crucial for the exams as questions related to Electricity and specifically Ohm’s law are very common. It helps secure marks in the section effectively.
Is Ohm’s law part of the latest NCERT syllabus?
Yes, Ohm’s law is an integral part of the CBSE - Class 10 NCERT Science syllabus. It is a key topic covered in the Electricity chapter.
What are common mistakes students make with Ohm’s law?
Students often miss the minute details or fundamental definitions of Ohm’s law. Regular revision and practice are needed to master the nuances.
How should I approach learning Ohm’s law?
Read the NCERT text thoroughly to grasp the theory. Create summary notes and flowcharts to retain the key points of Ohm’s law.
How can UrbanPro help me understand Ohm’s law better?
UrbanPro connects you with experienced Science tutors who can explain Ohm’s law with simple examples. You also get access to doubt-clearing sessions and mock tests for better preparation.
