WebMay 23, 2024 · The deflection torque in PMMC instruments is proportional to the square of the current and the controlling torque is proportional to the angle of deflection. 1). Which one of the following moving coil instruments is used only for DC? PMMC. Dynamometer. Both a and b. None of the above. Web1.5 V, 0.1 mV. 1.6 V, 0.1 mV. 5. . A dual range Crompton’s potentiometer is provided with a dial resistor having 15 steps of 10 Ω each and a slide wire of 10 Ω resistances. The ranges are X1 and X0.1. The current in the potentiometer measuring circuit 10mA on the X1 scale. The slide wire has 100 divisions and one fifth of a scale division ...
What is a Dynamometer and How Does it Work? - Setra
Web1. PMMC ammeter have uniform scale because of eddy current damping they are spring controlled their deflecting torque varies directly as current both spring controlled and having deflecting torque varies directly as current Answer 2. PMMC meter is fitted in Ammeter Voltmeter Multimeter Wattmeter Answer 3. WebDec 24, 2024 · A dynamometer allows us to measure power across a range of different power production systems. It is then possible to compare like for like and make adjustments. There are two different types of … internetlifestylealliance
Dynamometer Type Wattmeter Questions and Answers - Sanfoundry
Web(a) dynamometer type (b) electrostatic type (c) induction type (d) none of the above. SHOW ANSWER 11. A moving iron type ammeter has few turns of thick wire so that (a) resistance is less (b) sensitivity is high (c) damping is effective (d) scale is large. SHOW ANSWER 12. A repulsion type ammeter when used on AC circuits, reads WebThis set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Dynamometer Type Wattmeter”. 1. Power is ___________ a) rate of doing work b) rate of producing voltage c) rate of generating current d) rate of overcoming friction View Answer 2. In A.C. circuits, power consumed is ________ Web(a) Stadiometer (b) Ammeter (c) Galvanometer (d) Dynamometer. 19. Harvard step test was constructed by (a) Harvard (b) Thomas Cureton (c) Lucien Brouha (d) Sergent. 20. Sergent Jump measures (a) Explosive leg strength (b) aglity (c) Explosive arm strength (d) Flexibility. 21. Goniometer measures (a) Strength (b) power (c) Endurance (d) flexibility. newcomers statistics canada