Answer / shri..

A transducer is an electronic device that converts energy
from one form to another. Common examples include
microphones, loudspeakers, thermometers, position and
pressure sensors, and antenna. Although not generally
thought of as transducers, photocells, LEDs (light-emitting
diodes), and even common light bulbs are transducers.


And

A transformer is a static electrical device that transfers
energy by inductive coupling between its winding circuits.

what is the difference between upper impedance and lower impedance distance relay?

3 Answers   Havells, Power Grid,

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Why is back emf used for a DC motor? Highlight its significance.

0 Answers   ABB,

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what is the difference between normal motor and flame proof motor??

1 Answers   PI Industries, SRF,

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If age of Raju is 20% less than Sanju,then age of Sanju is how many % more than Raju

2 Answers   Tech Mahindra,

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difference between relay and solenoid?

2 Answers  

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which of the following can produce maximum induced voltage..... (a)1amp dc current (b)50amp dc current (c) 1amp 60 cycle ac current (d)1amp 490 cycle ac current.

2 Answers  

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what is ripple component in ac supply?

2 Answers  

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to transmit 30kw of power at 30 km what is voltage required

2 Answers   Anglo Eastern, Merchant Navy, NPCIL,

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The capacitive reactance of a capacitor of 1/(2(PI)) F at 10^3 H is

0 Answers  

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roles of owslaw explain?

3 Answers   BSNL,

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Whether cable is designed for different fault currents?

1 Answers   DAE,

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list the advantages of RCCB over other circuit breakers?

0 Answers  

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