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You Are On Multi Choice Question Bank SET 1093

54651. A clipper





54652. In a rectifier circuit the filter capacitance is increased. Then the ripple will





54653. The circuit in figure is





54654. Which of the following circuits can operate class AB for audio power output?





54655. In a P-N-P transistor, with normal bias





54656. A D.C. amplifier amplify





54657. In common base amplifier the current gain is less than one, but the voltage gain may be anywhere from





54658. Name the person who commissioned the Vallarpadam International Container Transshipment Terminal:





54659. In a class C operation





54660. The frequency response of an ideal tuned amplifier should be as represented in figure by





54661. For a good voltage amplifier, its input impedance should be





54662. Gain stability in an oscillator can bs achieved by





54663. The static characteristic of an adequately forward biased p-n junction is a straight line if the plot is of





54664. The main use of JFET with a





54665. Assertion (A): A dc stabilizer has constant output voltage irrespective of variations in input voltage and load currentReason (R): A dc series regulator uses a zener diode across the load to stabilize the output voltage.





54666. In the self biasing scheme (RF across collector to base) of BJT, S1 tends to unity by __________ RC is the collector load Resistance.





54667. In op-amp integrating amplifier the input is feed to





54668. In a resistance loaded amplifier, the gain decreases at high frequencies because





54669. A 1 ms pulse can be stretched to 1 sec pulse by using





54670. Most of the transistor data sheets specify the power rating for an ambient temperature of





54671. The early effect in BJT is caused by





54672. Transformer coupling in transistor amplifier circuits provides high efficiency, because





54673. Two identical FETs each having parameters gm and rd are connected is parallel. The composite FET has parameters





54674. If f is more than funity the gain of op-amp becomes less than 1.



54675. For an amplifier the input output signals are shown in figure. The class of amplifier is





54676. In a N-P-N transistor the function of the emitter is





54677. The noise figure is





54678. A Darlington pair is used for





54679. In a shunt-shunt negative feedback amplifier, as compared to the basic amplifier





54680. In rectifiers the use of RC filters is recommended when





54681. The coupling capacitor mainly affects





54682. A CE amplifier is the most common BJT amplifier.



54683. The main drawback in the performance of shunt peaked wide band amplifier is





54684. A generator with an internal resistance of 600 Ω drives an amplifier whose input resistance is 400 Ω. The generator's open circuit voltages is 1 mV; the amplifier develops 100mV across an 8kΩ load. The current amplification is





54685. In a CE amplifier circuit





54686. In a push pull circuit the two transistors are





54687. In which configuration does output ac voltage appear between emitter and ground?





54688. Figure represents a





54689. At high frequencies the output circuit of transistor amplifier reduces to





54690. A pulse transformer uses





54691. A transistor in CE mode is in saturation region. Then the collector is almost at





54692. The semi-conductor type 2 N 34 indicates





54693. The emitter bias largely depends on





54694. A limiter circuit can be built using a diode and resistance.



54695. In saturation region JFET acts like a





54696. Which of the following are difficult to be fabricated in a monolithic IC?





54697. In an op-amp a common mode signal is applied to





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