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The crystal of lead zirconate is a key c...

The crystal of lead zirconate is a key component of

A

Electroencephalography

B

Electroardiography

C

Magnetoencephalography

D

Sonography

Text Solution

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The correct Answer is:
B
The crystal of lead zicronate is a key component of electrocardiography . It is a peizoelectric material (the material which has a a net dipole moment and which can produce electricity when subjected to pressure ot stress), crystal or ceramic in nature. The thickness of this material is the critical factor in allowing proper vibrational frequency, most common material used is lead zicroante titanate. Electrocardiography is a commonly used , non-invasive procedure for recording electrical changes in the heart.
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