Q. 23 SECTION

Sunita and her fr

Answer :

(a) A metal detector works on the principle of resonance in an AC circuit.


(b)A metal detector has an AC circuit tuned to resonance condition. When a person carrying any metal walks through the gate of a metal detector, the impedance of the circuit changes. This results in a significant change in current which is immediately detected and the alarming sound is emitted.


(c) Sunita has a scientific temperament. She is knowledgeable and a responsible citizen.


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses
RELATED QUESTIONS :

(i) When an AC soPhysics - Board Papers

In the LCR circuiPhysics - Exemplar

Consider the LCR Physics - Exemplar

An electrical devPhysics - Exemplar

Explain why the rPhysics - Exemplar

Explain why the rPhysics - Exemplar

A coil of 0.01 hePhysics - Exemplar

In series LCR cirPhysics - Exemplar