One end of copper wire of length 2L and cross sectional area A is attached to one end of…
Physics · JEE Main · NTA Exams — Current Electricity
One end of copper wire of length 2L and cross sectional area A is attached to one end of another copper wire of length L and cross section area 2A. If the free end of the longer wire is at electric potential of 8 volt and free end of shorter wire is at potential of 1 volt ,what is the potential of junction of two wires.
- 1.2 V
- 2.1 V
- 2.4 V
- 3.6 V
Answer
(C) 2.4 V
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