Rheostat definition is - a resistor for regulating a current by means of variable resistances. 100 Most Important MCQ on Electric Drive | Industrial Drive MCQ ... A very common selector switch used for this purpose is called a hand-off-auto switch (HOA). The Rheostat. This section focuses on the "Javascript DOM" of the Javascript. Eliminate a deficit in retained earnings. Depending on the situation. Data Processor. Hope these SCM MCQ set will help students of MBA, MCA, PGDM, SCM specialisation, MMM, Bcom, Mcom, BBA, BE and other streams. These Multiple Choice Questions (mcq) should be practiced to improve the Javascript skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations. if we want same amount of current to be flow on circuit we can use resistance. Rheostat is used for varying higher values of electric current. 31. E) get attention any way possible In the circle diagram for induction motor, the diameter of the circle represents (a) slip (b) rotor current (c) running torque (d) line voltage Ans: b. The hindrance presented by material of conductor to the smooth passing of electric current is known as: (a) Resistance (b) Conductance (c) Inductance (d) None of these 6. B) eliminate the possibility of a stockout. Supply chain management is an important part of management studies. Rheostats are used in dim lights to change the intensity of light. Active 3 years, 7 months ago. This test is Rated positive by 86% students preparing for Commerce.This MCQ test is related to Commerce syllabus, prepared by Commerce teachers. to verify different laws also we use rheostat. Rheostat control uses a series-connected rheostat (variable resistance), as depicted in Figure 2, to control load power. All other applications are mostly derived from this very current controlling property of the rheostat. The shunt field rheostat reduces the shunt field current I sh and hence the flux φ. if you want to adjust amounts of current passing through the circuit we place rheostat in circuit to adjust resistance. Purpose of rheostat in measuring resistance. Here you can access and discuss Multiple choice questions and answers for various compitative exams and interviews. Ask Question Asked 3 years, 7 months ago. MCQ in Modulation Part 1 as part of the Communications Engineering (EST) Board Exam. Rheostat, adjustable resistor used in applications that require the adjustment of current or the varying of resistance in an electric circuit.The rheostat can adjust generator characteristics, dim lights, and start or control the speed of motors.Its resistance element can be a metal wire or ribbon, carbon, or a conducting liquid, depending on the application. The purpose of the rheostat is use to change the resistance of the circuit. Data Communication Processor. the adjustable resistance is known as rheostat. 0% (a) Increase the magnitude of current only 0% (b) Decrease the magnitude of current only 100% (c) Increase or decrease the magnitude of current ( 1 voter ) 0% (d)None of these Based On 1 Vote. The word rheostat is made of two words (‘rheo’ meaning flow of … The reduction in load voltage is caused by the voltage drop across the rheostat. A. in time B. with acceptable quality C. that is cost efficient D. both in time & with acceptable quality Explanation: Cost of a software is a management issue & is not related to process activities. The resistance of a conductor is directly proportional to: (a) Its area of cross-section (b) density (c) melting point (d) length 7. 5. Rheostat is generally used in the applications where high voltage or current is required. Topic includes Analog and Digital meter, Oscilloscope, RF meters, Signal and Noise Generators, Reflectometer, Instrumentation. As resistance is introduced in series with the load, the load voltage, and hence AC power, is reduced. - eanswers.in 30. An increase in the resistance of the rheostat decreases the flow of electric current, leading to dimming of lights and vice-versa. Check the below NCERT MCQ Questions for Class 12 English Flamingo Chapter 4 The Rattrap with Answers Pdf free download. Rotor rheostat control method of speed control is used for (a) squirrel-cage induction motors only (b) slip ring induction motors only (c) both (a) and (b) (d) none of the above Ans: b. example:-ohms-law v=ir. Starters - Electrical Engineering (MCQ) questions and answers Home >> Category >> Electrical Engineering (MCQ) questions and answers >> Starters 1) 3 - point starter is used to start the 1. * Resistance can varied in a circuit without the interruption so as to control the current. The purpose of using starting winding in single phase induction motor is to (a) ... MCQ or Objective. b. A Denial-of-Service (DoS) attack is an attack meant to shut down a machine or network, making it inaccessible to its intended users.DoS attacks accomplish this by flooding the target with traffic, or sending it information that triggers a crash. v=voltage,i=current,r=resistance Computer Science MCQ (Multiple Choice Questions) Sunday, 18 March 2012 Computer System Architecture MCQ 06 1. C) eliminate the likelihood of a stockout due to erroneous inventory tally. A rheostat is a variable resistor made of resistance wire and often three terminals. Practice these MCQ questions and answers for preparation of various competitive and entrance exams. Answered - [9.7] [97] [23] [230] are the options of mcq question What is the approximate resistance setting of a rheostat in which 650 mA of current flows with a 150 V source realted topics topics with 0 Attempts, 0 % Average Score, 0 Topic Tagged and 0 People Bookmarked this question which was asked on Nov 26, 2018 16:50 Buffer overflow attacks – the most common DoS attack. Javascript (JS) DOM MCQ. Answer: D E) protect the firm from a sudden decrease in demand. A pinoybix mcq, quiz and reviewers. D) gather facts about the prospect's authority to buy your product. To limit the current so as to prevent high current faults, these rheostats are used. Rheostat is generally used in applications where high voltage or current is required such as: Changing the light intensity of a light bulb. Brief History. ... _____is a special purpose dedicated processor that is designed specially designed for data transfer in network: a. Use the above-provided NCERT MCQ Questions for Class 7 Civics Chapter 4 Growing up as Boys and Girls with Answers Pdf free download and get a good grip on the fundamentals of real numbers topic. 32. Categories. The primary purpose of a quasi reorganization is to give a corporation the opportunity to Obtain relief from its creditors. C) capture the prospect's full attention and build interest in the product. Next . The purpose of synchronizing control in CRO is to focus the spot on the screen lock the display of the signal adjust the amplitude of display control the intensity of spot 2. Dec 25,2020 - Test: Nature And Purpose Of Business - 2 | 20 Questions MCQ Test has questions of Commerce preparation. Rheostat- Uses and Applications. Rheostat Control. MCQ Questions for Class 12 English with Answers were prepared based on the latest exam pattern. Rheostat is an adjustable or variable resistor. Rheostat has 3 terminals and usually consist of a resistive wire wrapped to form a toroid coil with a wiper that slides along the surface of the coil. In the nineteenth century, Sir Charles Wheatstone invented the rheostat using a long tube with coiled wires around it and an adjustable slider. It is most often designed with a ceramic core. Which is an important data transfer technique : a. CPU. The purpose of a rheostat is: 1; Poll Results. MCQ No - 1. Viewed 2k times 1 \$\begingroup\$ I was given task to measure the resistance of different length of same conductor to find the relationship between length and resistance. The purpose of safety stock is to: A) replace failed units with good ones. Revalue understated assets to their fair values. It is used to control the electrical resistance of a circuit without interrupting the flow of current. The most prominent use of rheostats as already discussed is to control the current. B) encourage the prospect to buy your product. We have provided The Rattrap Class 12 English MCQs Questions with Answers to help students understand the concept very well. * Rheostat is a variable resistance which is used in the circuit to control the current. The major purpose of the approach is to: A) build desire for your product. MCQs of Supercharging. MCQ in Tests and Measurements part 4. Internal Combustion Engines (2161902) MCQ. If we increase the resistance of the rheostat, the flow of electric current through the light bulb decreases. If only two terminals are used, one end and the wiper, it acts as a variable resistor or rheostat.. Participate in Poll, Choose Your Answer. Recommended Post MCQ on Measuring Instruments – 1 MCQs on Switchgear and Protection MCQs on DC Motor MCQ on Cables – 2 Top ten Electrical Switchgear and Protection Questions. D) control the likelihood of a stockout due to variable demand and/or lead time. 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