Current Electricity, Charging & Discharging Of Capacitors / वर्तमान बिजली, चार्ज और कैपेसिटर का निर
JEE Main & Advanced
Physics
Current Electricity, Charging & Discharging Of Capacitors / वर्तमान बिजली, चार्ज और कैपेसिटर का निर
Question Bank
Self Evaluation Test - Current Electricity
question_answer
A uniform wire of length l and radius r has a resistance of \[100\Omega \]. It is recast into a wire of radius\[\frac{r}{2}\]. The resistance of new wire will be: