12/31/2022 0 Comments Lakdi ki kathi![]() ![]() (d) Resistivity of wire remains constant. The resistance of wire having length (l) and area of cross-section (A) is given by. In these types of questions, we will first find the resistance of wire having new length and divide it with the resistance of wire having original length so that we can find out the value of new resistance. The expression for the resistance of a wire is given as, It always moves opposite in the direction of the current. If a wire of resistance R is stretched to double of its length then new resistance will be A R2 B 2R C 4R D 16RIf a wire of resistance R is stretched to double of its length, then new resistance will be:Ī) R/2 B) 2R C) 4R D) 16R Answer Verified 158.7k+ views 10 likes Hint: Resistance is defined as the property of a material to show hindrance against the current flowing in the conductor. स्रोत : If a wire of resistance R is stretched to double of class 12 physics JEE_Main Volume of wire remains constant even after stretching the wire. Step 1: Finding the new cross section Area of the wire Question If a wire of resistance R is stretched to double of its length, then new resistance will be : A R/2 B 2 R C 4 R D 16 R If a wire of resistance R is stretched to double of its length, then new resistance will be :Ĭlick here□to get an answer to your question ✍️ If a wire of resistance R is stretched to double of its length, then new resistance will be : Get on doubling the length of a wire by stretching its resistance will become from screen. ![]()
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