This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Radiology
In MRI, strength of magnetic field is: 
Select and explain. 
A. 0.5 Tesla, B. 1.1 Tesla, C. 5 Tesla, D. 11 Tesla
B: 1.1 Tesla
Answer: B: 1.1 Tesla 
Explanation: Ans. 1.1 Tesla