A 12V battery supplies a current of 0.4A to a lamp. Calculate the resistance of the lamp.
A
30.00
B
4.80
C
3.00
D
0.30
E
0.03
Verified Correct Answer: A.
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Myschool Past Questions Archive (Record #43003)