Physics test

The resistance of a conductor depends upon

• On the length of conductor

• On the area of cross section of conductor

• On the nature of material of conductor

• All of above

Mathematical form of ohm's law

• V = IR

• V = QC

• V = QI

• None of the above

The unit of resistance of a conductor

• Ohm

• Coulomb

• Ampere

• Ohm meter

The electrical power of conductor

• P = VI

• P =IR

• P = VIT

• None of the above

The resistivity of conductor with increase in temperature

• Decreases

• Increases

• Remains same

• May increases or decreases