Electrical Engineering - Ohm's Law - Discussion
Discussion Forum : Ohm's Law - General Questions (Q.No. 8)
8.
What is the approximate resistance setting of a rheostat in which 650 mA of current flows with a 150 V source?
9.7 
97
23
230
Discussion:
23 comments Page 3 of 3.
Prashant said:
1 decade ago
I=650mA,
I=650*10^3A,
V=150V,
R=V/I;
R=150/(650*10^3);
R=230 ohm
I=650*10^3A,
V=150V,
R=V/I;
R=150/(650*10^3);
R=230 ohm
MURUGAPERUMAL said:
1 decade ago
V=IR
SO,R=150/650*10^-3,
R=150/.65,
R=230 OHMS.
SO,R=150/650*10^-3,
R=150/.65,
R=230 OHMS.
Anand said:
1 decade ago
Nice answer parminder
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers