Tag: transformer

Questions Related to transformer

Transformer can be used on;

physics electro-magnetism applications of electromagnets transformer transformers

  1. a.c. only

  2. d.c. only

  3. a.c. and d.c. both

  4. none of these

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Correct Option: A

The magnetic resonance imaging is used as a tool of diagnosis to detect the injuries in human body. It is based on the principle that:

physics magnetism and electromagnetism applications of electromagnets transformer transformers

  1. Protons in different types of human tissues have specific magnetic field environment

  2. Magnetic field pattern of human body resonates with the externally applied magnetic field

  3. Either $(1)$ or $(2)$

  4. Neither $(1)$ nor $(2)$

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Correct Option: A
Explanation:

The basic principle of MRI is protons in different types of human tissues have specific magnetic field environment.