The working of the full wave rectifier with filter is almost similar to that of the half wave rectifier with filter. Rectifiers electronic devices and circuits questions and answers. Mcq topic outline included in ece board exam syllabi. In particle accelerators, rectifiers are used to convert the ac voltage into dc or lowfrequency ac to supply loads like magnets or klystrons. Rectifier may be defined as an electronic device used to convert ac voltage or current into unidirectional voltage or current. Semiconductor diode questions and answers pdf free download mcqs interview objective type questions for eee ece electronics students semiconductor diode skip to content engineering interview questions, mcqs,objective questions,class notes,seminor topics,lab viva pdf free download. Dc supply produced by the bridge rectifier is filtered by the filter circuit c1 and r. Fullwave rectifiers with capacitor filters are, without question, the workhorse and the unsung hero of the modern electronic world and for the gadgets we have come to enjoy. Dmrc maintainer iti electronics mechanic hand written imp. Design a fullwave rectifier with an lc filter that can yield dc voltage of 9 v at 100 ma with a maximum ripple of 2%. The effects on the rectifier behaviour of the inductive components of the load and of the ac line will be investigated. A fullwave rectifier with 60hz input must have lowest ripple frequency equal to twice the input frequency i. This section consists of multiple choice questions quiz on rectifier basics.
Analyzing fullwave rectifiers with capacitor filters. Set 1 power electronics test this test comprises of 40 questions on basic electrical engineering. The whole working is pretty much similar to that of a halfwave rectifier with shunt capacitor explained above. In the circuit diagram, the capacitor c is placed across the load resistor r l. This is accomplished by using a suitable voltage regulator. The device which converts alternating bidirectional voltage to pulsating unidirectional voltage is called rectifier. Solved multiple choice questions on computer networking for other more multiple choice questions visit. Rectifiers multiple choice questions and answers on rectifiers mcq questions quiz on rectifiers. If the ripple frequency is 60hz, it means some diodes in the circuit are not working. Filters are most often used on singlephase bridge and center tap rectifiers. Rectifiers electronic devices and circuits questions and. We have classified each mcq download in 2 categories of difficulty 1 easy. This is the multiple choice questions in power supplies voltage regulators from the book electronic devices and circuit theory 10th edition by robert l. And because of it, we have electricity in our house.
The effect of the time offset become negligible if v p 0. Ee and ece important mcqrectifiers and filters all exam. Solved multiple choice questions on computer networking. Gate ece 2019 multiple choice questions for practice free. Latest automobile engineering multiple choice questions and answers pdf free download. Multiple choice questions mcq on network theorem 1. We know that a pulsating dc wave is the output of the rectifier circuit. Latest chemical engineering basics multiple choice questions and. The bridge rectifier is preferred to an ordinary two diode full wave rectifier because. The output of a 60hz fullwave bridge rectifier has a 60 hz ripple. Power supplies have several componets which are at first understood separatly and then they are joined together.
Most of you find it difficult to answer them correctly. A filter is a circuit whose transfer function, that is the ratio of its output to its input, depends upon frequency. To enhance your knowledge related to this field we made this quiz little bit difficult from the previous one. Peak inverse voltage piv is the maximum possible voltage that occurs across a diode when it is reverse. This is why in reality we use half wave rectifiers with a filter. Module 4 section 4 rectifier inspecttroubleshoot final 10.
The primary crrntribution can be calcvla ted fairly closely fmm an intelligent rough guess at the value of e,, enabling one to calculate the reflected vaiue. Rc t rc t t v v r o r 3 4 4 3 5 these results can be used for very low internal resistance of the transformer much lower than r, but this is not the case for most of the practical circuits. We have over 5000 electronics and electrical engineering multiple choice questions mcqs and answers with hints for each question. This is the multiple choice questions in active filters from the book electronic devices electron flow version and conventional current version 8th edition by thomas l.
Rectifier applications 2 acknowledgments technical editor william d. Questions on power semiconductor devices, scrs, three phase ac dc converters, voltage regulators, transistor based devices, choppers, single phase dc ac inverters, pwm. Unit ii rectifiers, filters and regulators introduction. Diode rectifiers, filters, and power supplies introduction a power supply takes alternating current or a. The use of a capacitor filter in a rectifier circuit gives satisfactory performance only when the load. There are three broad categories of filter which are widely used. Great pdf to practice electrical and electronics fundamentals.
Kirchhoff s current law states that a net current flow at the junction i. That being said, it is surprising and sadly so that a symbolic solution set describing steady. Hydraulics multiple choice questions and answers set 26. Take the test and check out your knowledge about rectifiers. A capacitor or an inductor can be used as a filter but half wave rectifier with capacitor filter is most commonly used. Lowpass filters allow any input at a frequency below a characteristic frequency to. In our previous tutorial, we provided rectifier basic quiz. Electrical4us mcqs are in a wide range of electrical engineering subjects including analog and digital communications, control systems, power electronics, electric circuits, electric machines and much more. Our ultimate aim is to obtain a constant dc output. Mcq in power generators cells and batteries part 8 ece board. Multiple choice questions and answers by sasmita january 9, 2020 multiple choice questions and answers on semiconductor diode in addition to reading the questions and answers on my site, i would suggest you to check the following, on amazon, as well. Calculate the ripple voltage of a fullwave rectifier with a 75f filter capacitor connected to a load drawing 40 ma. Filters consist of chokes, capacitors, or a combination of capacitors and chokes. Other rectifier components filters efficiency filters are used to decrease the ac ripple of the dc output, which decreases the operating cost of the rectifier.
A fullwave rectifier with 60hz input must have lowest ripple frequency equal to twice the input frqeuency i. The rectifier converts the ac voltage to pulsating dc, which is smoothened by filter circuit. The circuit diagram of a fullwave rectifier wit capacitor filter is shown below. Ppt rectifiers and filters electrical engineering ee. Top most asked objective questions or mcq on transformer.
Free download pdf mcq on converters and rectifiers. Free download 100 mcq objective type questions on converters and rectifiers. This section consists of multiple choice questions quiz on rectifier intermediate. In order to obtain the constant dc output, we need to filter out the oscillations from the pulsating dc wave. Power supply filters and regulators power supply filters and regulators. The use of passive filters to reduce the harmonic content ripple of the. The use of passive filters to reduce the harmonic content ripple of the voltage and current at the output of the rectifier will be discussed. The filter capacitor c is placed across the resistance load rload. Diodes are active nonlinear circuit elements with nonlinear voltagecurrent characteristics. In a rectifier, larger the value of shunt capacitor filter. Filters rectification means direct current dc the output current of the halfwave and fullwave rectifier contain large ac components there is ripple voltage across r l i t halfwave rectifier fullwave rectifier. Multiple choice questions and answers on semiconductor. The filter made up of capacitor and resistor is known as capacitor filter. Electrical engineering multiple choice questions mcqs.
Diode has unidirectional property hence suitable for rectifier. A rectifier is an electrical device that consists of one or more diodes allowing the flow of. This is the multiple choice questions in power supplies voltage regulators. Some loads require high currents, other high voltages and other both high current and high voltage. Explain what is piv of a diode in a rectifier circuit. Rectifiers multiple choice questions and answers mcq objective quiz. This is an online process where the generated ac is converted into proper regulated dc. After searching we came with some more questions based on rectifiers. Multiple choice questions mcq on magnetism top most asked objective questions or mcq on transformer for. A simplified analysis and design of the rectifier with. Rectifiers and converters quiz questions and answers.
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