26. Whenever the magnetic flux linked with a coil changes, an emf is induced in the conductor.
സട phenomenon is called :
(2) Lenzslaw (B) Electromagnetic induction
)0 Mutual induction (M 86171160607
217. If a force F acting on a body moves it through a distance diin its direction, work done by the
body is : 8
(ல Fxd 0 1೫/6
)0 06/8 @D F+d
28. An example of variable head flowmeter is :
(ಡಿ) Rotameter (2) Ultrasonic flowmeter
(C) Turbine flowmeter (10) Venturimeter
29. The desired value of a controlled variable in a process control loop is called :
(A) Measured value (18) Set point
(0) True value (12) None of the above
80. A second order system is critically damped when the damping ratio is :
(A) Unity (B) Less than unity
© Greater than unity (2) Tends to infinity
31, The characteristics of zero order instrument 13 :
(ക) It has dynamic error (B) It has time lag
(C) It has no time lag (D} It has static error
32. A photoelectric device in which resistance of the metal changes when radiation falls on it is :
(A} Photoemissive cell (ए) Photo voltaic cell
)0 Photoconductive cell (D) Photo diode
38. The device which converts electrical energy into non electrical energy is known as :
(A) Inverse transducer (B) Transducer
(¢) Secondary transducer (D) Active transducer
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