Question

0.7.
PHYSICS
Two Marks Questions
(Subjeet - Electricity)
0.1. Name the unit of (a) electrical resistance (b) resistivity
0.2. Define One Ohm
Q.3. Define resistivity
Q.4. Determine the direction of conventional current?
Q.5. What is electrical power? Write its unit​

Answer 1

Answer:

Answer 1 : (a) ohm.    

                 (b) ohm meter

Answer 2 : One ohm is defined as that resistance of an object when 1 ampere      current flows through an object having voltage of 1 volt.

Answer 3 : Resistivity is a measure of the resistance of a given size of a specific material to electrical conduction.

Answer 4 : Conventional current flows from the positive terminal to the negative.

Answer 5 : Electric power is the rate, per unit time, at which electrical energy is transferred by an electric circuit. The SI unit of power is the watt.