## QUESTION MOVING MAGNETIC ACTUATOR IS SUCH TYPE OF

QUESTION 1
EXPLAIN ELECTROMAGNETIC ACTUATOR ?
SOLUTION:
ACTUATOR—IT IS AN ELECTRONIC DEVICE WHICH CONVERT CURRENT QUANTITY INTO MECHANICAL QUANTITY.

ELECTOMAGNETIC ACTUATOR—IT IS SUCH TYPE OF ELECTRONIC DEVICE TO TRANSFORM CURRENT QUANTITY INTO MOVING SYSTEM BY APPLYING MAGNETIC FIELD AND CURRENT.
WORKING=
IT CONSIST OF A LONG ROD LIKE COIL WOUND BY A WIRE WHICH CONTAIN ELECTRIC CURRENT ON THE FRAME. IT ALSO CONTAIN A SHELL OR A MOVABLE COIL WHICH IS KEPT IN THE AXIS IN IT TO PRODUCE MAGNETIC FIELD . BY APPLYING CURRENT IN THE COIL AND DUE TO MAGNETIC FIELD IT STARTS ROTATING ..THEN THIS WORKING HELP HIM TO TRANSFORM THE ELECTRICAL ENERGY INTO MECHANICAL QUANTITY.

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QUESTION 2:
WHAT IS ACTUATOR . EXPLAIN MOVING COIL ACTUATOR AND MOVING MAGNETIC ACTUATOR?
ACTUATOR:- IT IS A DEVICE WHICH CONVERT THE ELECTRIC CURRENT INTO MECHANICAL QUANTITY.

MOVING COIL ACTUATOR:
A MOVING COIL ACTUATOR IS COMMONLY KNOWN AS VOICE COIL ACTUATOR WHICH IS USED TO MOVE LARGER MASS OBJECT FROM ONE PLACE TO ANOTHER.
IT CONSIST A PERMANENT MAGNET AND SOME STEEL AND A COIL WHICH IS ASSEMBLED IN SUCH A WAY THAT WHEN THE CURRENT IS FLOWING TO THE COIL THEN IT INTRACT WITH MAGNETIC FIELD AND GENERATES A FORCE WHICH IS PERPENDICULAR TO THE DIRECTION OF CURRENT.
MOVING MAGNETIC ACTUATOR:
A MOVING MAGNETIC ACTUATOR IS SUCH TYPE OF ACTUATOR WHICH IS USED TO CONVERTING THER ELECTRICAL ENERGY INTO MECHANICAL ENERGY.
IT CONSIST A PERMANENT MAGNETIC FIELD AND A COIL WHICH IS ASSEMBLED IN SUCH A WAY THAT WHEN CURRENT FLOW THROUGH THE COIL THEN A FORCE IS GENERATED WHICH IS EQUAL AND OPPOSITE BETWEEN THE COIL AND MAGNET.

QUESTION 3:
WHAT IS THE FUNCTION OF TEMPERATURE SENSOR? HOW THE TEMERATURE SENSOR WORK.
TEMPERATURE SENSOR:
IT IS A SUCH TYPE OF SENSOR WHICH IS USED TO MEASURE THE TEMPERATURE EVEN HOT OR COLD WHICH IS GENERATE BY A BODY OR A OBJECT.
WORKING:
TEMPERATURE SENSOR WORKS WHEN TEMPERATURE SENSOR IS APPLIED VOLTAGE ACROSS THE DIODE THEN IF THE VOLTAGE IS INCREASES THEN TEMPERATURE ALSO INCREASES. DUE TO THIS IT PRODUCES A VOLTAGE DROP BETWEEN THE TERMINALS OF BASE AND EMITTER .THEN THE SENSOR RECORDED THIS CHANGES . IF THE DIFFERNECE OF VOLTAGE IS AMPLIFIED THEN IT SHOWS THE CHANGE IN TEMPERATURE.

QUESTION 4:
EXPLAIN DIFFERENT MICRO ACTUATOR METHODS?
MICRO ACTUATOR:
A MICERO ACTUATOR IS BASED ON SERVO MOTAR WHICH IS USED TO CONVERT AMOUNT OF ENERGY INTO MECHANICAL ENERGY .
THE DIFFERENT TYPES OF MICRO ACTUATORS ARE AS FOLLOWS:-
1. ELECTROSTATIC ACTUATOR:
ELECTROSTATIC ACTUATOR IS A SUCH TYPE OF TRANSDUCER WHICH IS USED TO CONVERT THE ELECTRIC ENERGY INTO MECHANICAL FORCE AND PRESSURE.
AMONG SEVERAL ELECTROSTATIC ACTUATOR , CAPACITANCE IS COMMONLY KNOWN AS ACTUATOR.
CAPACITANCE IS USED TO CONVERT THE APPLIED VOLTAGE INTO EQUIVALENT FORCE AND PRESSURE.

2. ELECTROMAGNETIC ACTUATOR:
IT IS SUCH TYPE OF ELECTRONIC DEVICE TO TRANSFORM ELECTRONIC QUANTITY INTO MECHANICAL QUANTITY BY USING MAGNETIC FIELD AND CURRENT

3. THERMAL ACTUATOR:
THE THERMAL ACTAUTOR IS SUCH TYPE OF TRANSUDER WHICH IS USED AS CHANGE THE HOT AND COLD GENEARTED BY A BODY PRODUCES A MECHANICAL CHANGES.

QUESTION 5:
EXPLAIN THE CALIBRATION ERROR, HYSTERSIS ERROR AND NON LINEARITY ERROR WITH NEAT DIAGRAM?
CALIBRATION ERROR:
WHEN THE OUTPUT READING IS OF ANY INSTRUMENT IS GIVING WRONG THEN A CALIBRATION ARE USED TO CALIBRATE IT AND THIS IS CALIBRATION ERRORS.

HYSTERESIS ERROR:
IT IS THE DIFFERENCE BETWEEN OF INCREASING RANGE POINT WITH DECREASING RANGE POINT OF A PRESSURE SENSOR.

NON LINEARITY ERROR:
IN THIS ERROR , THERE IS DEVIATION IS GENERATED IN A STRAIGHT
LINEAR GRAPH WHICH IS ALSO CALLED LINEALITY ERROR.

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