Class 10ScienceElectricity
Ohm's Law and Resistance
V = IR (at constant temperature). Resistance R = V/I. Unit: Ohm (ฮฉ). 1 ฮฉ = 1 V/A. Ohmic conductors: V-I graph is straight line. R = ฯL/A (resistivity ร length / area). Resistivity depends on material and temperature. Metals: resistance increases with temperature.
10 examples
Concept check 1
For Class 10 Science, explain or solve a ohm's law and resistance question from the chapter "Electricity". Focus on concept check and show the working clearly.
Definition to application 2
For Class 10 Science, explain or solve a ohm's law and resistance question from the chapter "Electricity". Focus on definition to application and show the working clearly.
Formula warm-up 3
For Class 10 Science, explain or solve a ohm's law and resistance question from the chapter "Electricity". Focus on formula warm-up and show the working clearly.
Reasoning practice 4
For Class 10 Science, explain or solve a ohm's law and resistance question from the chapter "Electricity". Focus on reasoning practice and show the working clearly.
Board-style short answer 5
For Class 10 Science, explain or solve a ohm's law and resistance question from the chapter "Electricity". Focus on board-style short answer and show the working clearly.
Mistake correction 6
For Class 10 Science, explain or solve a ohm's law and resistance question from the chapter "Electricity". Focus on mistake correction and show the working clearly.
Visual interpretation 7
For Class 10 Science, explain or solve a ohm's law and resistance question from the chapter "Electricity". Focus on visual interpretation and show the working clearly.
Applied word problem 8
For Class 10 Science, explain or solve a ohm's law and resistance question from the chapter "Electricity". Focus on applied word problem and show the working clearly.
Revision challenge 9
For Class 10 Science, explain or solve a ohm's law and resistance question from the chapter "Electricity". Focus on revision challenge and show the working clearly.
Exam recap 10
For Class 10 Science, explain or solve a ohm's law and resistance question from the chapter "Electricity". Focus on exam recap and show the working clearly.