if you have three resistors connected in parallel across a 120V battery and the total currernt through the resistors is 6A what will there equivalent resistance be.

A. 6.6
B. 7.2
C. 18
D. 20

 

Dr. Ohm sez: R = E/I.

 

if you have three resistors connected in parallel across a 120V battery and the total currernt through the resistors is 6A what will there equivalent resistance be.

A. 6.6
B. 7.2
C. 18
D. 20

R= E/I
R= 120/6 = 20 ohms

 

It would be 20r