Download Aptitude Crack
img not found img not found

Ohm''s Law

Q1: What is the approximate resistance of a rheostat if the voltage source is 18 V and the current is 220 mA?

A 8.2 k

B 820 

C 8.2 

D 82 

ANS:D - 82 

I = 220 * 10^-3 = 220/1000,
V = 18,
R = V/I = 18/(220/1000),
R = (18 * 1000)/220,
R = 900/11,
R = 81.9.
Answer:- R~82 OHM.



img not found
img

For help Students Orientation
Mcqs Questions

One stop destination for examination, preparation, recruitment, and more. Specially designed online test to solve all your preparation worries. Go wherever you want to and practice whenever you want, using the online test platform.