![PROBLEMS A4 wire is doubled on it Calculate the new resistance of the wire, When a potential difference of 2 V is applied across the ends of a wire o Calculate (D) PROBLEMS A4 wire is doubled on it Calculate the new resistance of the wire, When a potential difference of 2 V is applied across the ends of a wire o Calculate (D)](https://toppr-doubts-media.s3.amazonaws.com/images/8231704/fd970189-a84d-46a8-a1ff-fb824c28ce32.jpg)
PROBLEMS A4 wire is doubled on it Calculate the new resistance of the wire, When a potential difference of 2 V is applied across the ends of a wire o Calculate (D)
![If resistance of potentiometer wire = 15 r then calculate the balance length l : E L=600 cm Hrana E/2 (A) 320 cm (C) 400 cm (B) 200 cm (D) 100 cm If resistance of potentiometer wire = 15 r then calculate the balance length l : E L=600 cm Hrana E/2 (A) 320 cm (C) 400 cm (B) 200 cm (D) 100 cm](https://toppr-doubts-media.s3.amazonaws.com/images/4350539/1e9b9cdd-953b-4977-a07c-451c9fa0dd47.jpg)
If resistance of potentiometer wire = 15 r then calculate the balance length l : E L=600 cm Hrana E/2 (A) 320 cm (C) 400 cm (B) 200 cm (D) 100 cm
![15.3 Resistance and Resistivity – Douglas College Physics 1104 Custom Textbook – Winter and Summer 2020 15.3 Resistance and Resistivity – Douglas College Physics 1104 Custom Textbook – Winter and Summer 2020](https://pressbooks.bccampus.ca/collegephysics/wp-content/uploads/sites/29/2016/04/Figure_21_03_01a.jpg)