Leadership

Physics

Ten Standard

Test your understanding of this lesson Resistance and resistivity:-

1)
Keeping the length remains unchanged if the radius of a cross section of a conductor be increased by 9 times, the resistance will be
  • 9 times of the initial resistance
  • 81 times of the initial resistance
  • \(\frac{1}{9}\) times of the initial resistance
  • \(\frac{1}{81}\) times of the initial resistance
2)
An increment of temperature, if the resistance of a conductor decrease, It will be ____
  • normal conductor
  • super conductor
  • semi conductor
  • none of these
3)
If the resistance of conductor be zero at absolute zero temperature, it will be __
  • normal conductor
  • super conductor
  • semi conductor
  • none of these
4)
The SI unit of electrical resistivity is __
  • ohm
  • ohm-cm
  • ohm-metre
  • ohm/metre
5)
Resistivity depends on
  • length and area of cross section
  • metal & temperature
  • length, area of cross section,metal & temperature
  • only temperature
Hand draw

You may like this videos

All rights reserved © 2024 tubelessons.net

Hide

Forgot your password?

Close

Error message here!

Hide

Lost your password? Please enter your email address. You will receive a link to create a new password.

Back to log-in

Close