Example 12.6 | Class 10 Science Chapter 12. Electricity | NCERT

Class 10 Science
Chapter 12. Electricity

► Full Chapter Playlist.

• 12.1 Electric Current and Circuit
• Example 12.1
• 12.2 Electric Potential and Potential Difference

• Example 12.2
• 12.3 Circuit Diagram
• 12.4 Ohm's Law
• 12.5 Factors on Which the Resistance of a Conductor Depends
• Example 12.3
• Example 12.4
• Example 12.5
• 12.6 Resistance of a system of resistors
• Example 12.7
• Example 12.8
• Example 12.9
• 12.7 Heating Effect of Electric Current

• Example 12.10
• Example 12.11
• 12.8 Electrical Power

• Example 12.12
• Example 12.13

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Example 12.6
A wire of given material having length l and area of cross-section A has a resistance of 4 ohm. What would be the resistance of another wire of the same material having length l/2 and area of cross section 2A?

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