A wire of length ' l ' and resistance 100\ Ω is divided into 10 equal parts. The first 5 parts are connected in series while the next 5…
NEET 2024 · Easy
The resistance of platinum wire at 0^C is 2\ Ω and 6.8\ Ω at 80^C . The temperature coefficient of resistance of the wire is :
NEET 2023 · Easy
A resistance wire connected in the left gap of a metre bridge balances a 10\ Ω resistance in the right gap at a point which divides the…
NEET 2020 · Medium
The solids which have the negative temperature coefficient of resistance are :
NEET 2020 · Medium
Which of the following graph represents the variation of resistivity (ρ) with temperature (T) for copper ?
NEET 2020 · Easy
A charged particle having drift velocity of 7.5×10^-4 m s ^-1 in an electric field of 3×10^-10 V m ^-1 , has a mobility in m ^2 V ^-1 s…
NEET 2020 · Easy
