Question

Explain the variation of resistance and resistivity with temperature and hence define temperature coefficient of resistance and resistivity

Answer 1

If the temperature increases the resistance decreases

that is resistance ~ to temperature

but Resistivity is a constant value for a particular material It doesn't vary

Answer 2

☺ａｎｓｗｅｒ:

Resistance is the property of a conductor, which determines the quantity of current that passes through it when a potential difference is applied across it. A resistor is a electrical componet with a predetermined electrical resistance, like 1 ohm, 10 ohms 100 ohms 10000 ohms etc.

ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘꜱ ʏᴏᴜ. ☺❤