What is electrical resistance ?

Answer the following question: What is (electric) resistance?

What is electric resistance ?

What is electrical resistivity ? How does it depend om temperature. Give its SI unit.

What is electrical resistivity ? How does it depend om temperature. Give its SI unit.

What is electrical resistivity ? In a series electrical circuit comprising a resistor made up of a matallic wire, the ammeter reads 5 A . The reading of the ammeter decreases to half when the length of the wire is doubled. Why ?

What is electrical resistivity ? In a series electrical circuit comprising a resistor made up of a matallic wire, the ammeter reads 5 A . The reading of the ammeter decreases to half when the length of the wire is doubled. Why ?

What do you mean by electrical resistance ? How does it arise ? Give its SI unit.

What is electrical resistivity ? Derive its SI unit, In a series electrical comprising a resistor made up of metallic wire, the ammeter reads , 100 mA. If the length of the wire is doubled, how will the current in the circuit change ? Justify your answer.

What is electrical resistivity ? Derive its SI unit, In a series electrical comprising a resistor made up of metallic wire, the ammeter reads , 100 mA. If the length of the wire is doubled, how will the current in the circuit change ? Justify your answer.