What is the resistance (in ohm) of an electrical component if a current of 0.5 A passes through it on application of 20 V of potential difference across it?

What is the resistance (in ohm) of an electrical component if a curren

1.	What is the resistance (in ohm) of an electrical component if a current of 0.5 A passes through it on application of 20 V of potential difference across it?
A.	10
B.	20
C.	80
D.	40
Answer» E.