152501. In class B operation of power amplifiers, the collector current flows for:
152502. For the characteristic equation 2S1 +S3 +3S2 +5s + 10 = 0, the number of roots in the left half S plane is :
152503. The unity negative feedback system with GH(S)= (10s+1)/ (s2+8as+4k) oscillates at 2rad/s only when:
152504. The steady state error of a negative feedback system with forward path gain function(5/(s+1and feedback path gain function H(S)=(5/(S+1)for a unit step input iS given by:
152505. The ratio of total power in the Amplitude modulated wave to the unmodulated carrier power when the modulation index is 'm'
152506. The voltage across a load element is 40<-15 and the current through .the element is 2.5Z <-30. The circuit powerfactor is:
152507. 100 numbers of 1Ω linear bilateral resistances are connected in parallel and the combination is fed by a 10A constant current source. The power delivered by the source is :
152508. Referring to a power plant, the term hot reserve refers to:
152509. Power supply used for dielectric heating will normally have a frequency in the range :
152510. As per Kelvin's Law, the most economical size of conductor is that for which :
152511. Output voltage of a simple ideal buck type dc-dc converter working in continuous current mode with an input voltage of 12V and turn ON time 5ms and switching frequency 50Hz is :
152512. A power electronic circuit which can give a 2.5V, 30Hz output wave from a supply of 5V, 60Hz supply is :
152513. In a power electronic circuit, a free wheeling diode is used across a dc load to:
152514. Ten, 15V batteries each having an internal resistance of 30 are connected in series such that one is aiding the others. Its Norton’s equivalent circuit has :
152515. The value of specific gravity of a lead acid battery under fully cargcd condition is approximately:
152516. An Ammeter is found to have a cramped scale. This is because :
152517. Of the power electronic circuits, circuit employing Power MOSFETs hus a higher switching ’ frequency because :
152518. A measure of repeatability of measurement of a quantity is :
152519. The analogous electrical circuit quantity corresponding to the magnetic circuit quantity, permeability is:
152520. ‘In load flow analysis the role of a slack bus is :
152521. Rotation of a Rotating Induction Type Mechanical Energy Meter under no load condition can be reduced by :
152522. The needle of a MI Ammeter oscillates around a central value. It may be due to poor:
152523. The range of an Ammeter is to be extended from 250 mA to 2A. If the 250 mA meter has an internal resistance of 10Ω, what is the approximate value of the shunt resistance required to extend the range:
152524. In India Fundamental duties are adopted from
152525. Who is the author of Ente Gurunathan?
152526. Who started the News paper 'Mithavadi' in1907
152527. Who wrote 'Sahithya Vicharam'?
152528. How many people signed in 'Ezhava Memorial''?
152529. 'Jathy Kummy' which criticized the prevailing caste system was written by
152530. Who introduced the 'Subsidiary Alliance System''?
152531. The national Antham of Indian 'Jana gana Mana'was first sung at
152532. Who is known as 'Kerala Kalidasan'?
152533. 'Oru Theruvinte Kadha’ was written by :
152534. The great Victoria Desert is located in :
152535. In which of the following states does I6th National Women Boxing Championship take
152536. Who has been elected as the first inale member of national Commission for women?
152537. Who has won the Nobel Prize 2015 in Literature?
152538. World Water Day is celebrated every year on :
152539. In how many years will a sum of money triple itself, the rate of interest being 10%?
152540. If 4 taps can fill a tank in 10 hours. Then how many hours can 6 taps fill the same tank?
152541. Manu’s age is 6 times Binu’s age. 15 years hence Manu will he 3 times as old as Binu. Find Binu's age:
152542. A and B together can do a piece of work in 12 days and A alone B can complete the work in 18 days. How long will B alone take to complete the job?
152543. Find the time taken by a 180 m long train running at 54 km/hr to cross a man standing on a platform :
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