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
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
23 comments Page 3 of 3.

Ghulam mohy ud din said:   4 years ago
1000ma = 1A,

When we convert mili amper into amper then 1000 uses the small unit to large unit like;
650/1000 = 0.65 amper.

Adane said:   3 years ago
Given I= 650 mA =0.65Amp.
V= 150 V.

req = R?
Solution R = V/I = 150v/0.65Amp = 230.769.
(5)

JohnLerr Espenoza said:   2 years ago
R = I÷V.
R = 650÷150.
= 230 Ohms.
(1)


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