defence exam ITBP (Telecommunication) Head Constable Mock Test 2024 Physics Current, Resistance and Electricity Ohm’s Law
A student carries out an experiment and plots the V-I graph of three samples of nichrome wire with resistances R1, R2 and R3 respectively. Which of the following is true?
1
R1 = R2 = R3
2
R1 > R2 > R3
3
R3 > R2 > R1
4
R2 > R3 > R1