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. The first war of independence started at?
54657. A D.C. amplifier amplify
54658. In common base amplifier the current gain is less than one, but the voltage gain may be anywhere from
54659. Name the person who commissioned the Vallarpadam International Container Transshipment Terminal:
54660. In a class C operation
54661. The frequency response of an ideal tuned amplifier should be as represented in figure by
54662. For a good voltage amplifier, its input impedance should be
54663. Gain stability in an oscillator can bs achieved by
54664. The static characteristic of an adequately forward biased p-n junction is a straight line if the plot is of
54665. The main use of JFET with a
54666. 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.
54667. In the self biasing scheme (RF across collector to base) of BJT, S1 tends to unity by __________ RC is the collector load Resistance.
54668. In op-amp integrating amplifier the input is feed to
54669. In a resistance loaded amplifier, the gain decreases at high frequencies because
54670. A 1 ms pulse can be stretched to 1 sec pulse by using
54671. Most of the transistor data sheets specify the power rating for an ambient temperature of
54672. The planning Commission in India is?
54673. The early effect in BJT is caused by
54674. Transformer coupling in transistor amplifier circuits provides high efficiency, because
54675. Two identical FETs each having parameters gm and rd are connected is parallel. The composite FET has parameters
54676. If f is more than funity the gain of op-amp becomes less than 1.
54677. For an amplifier the input output signals are shown in figure. The class of amplifier is
54678. In a N-P-N transistor the function of the emitter is
54679. The noise figure is
54680. A Darlington pair is used for
54681. In a shunt-shunt negative feedback amplifier, as compared to the basic amplifier
54682. In rectifiers the use of RC filters is recommended when
54683. The coupling capacitor mainly affects
54684. A CE amplifier is the most common BJT amplifier.
54685. The main drawback in the performance of shunt peaked wide band amplifier is
54686. 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
54687. In a CE amplifier circuit
54688. In a push pull circuit the two transistors are
54689. The headquarters of ESCAP (Economic and Social Commission for Asia and the Pacific) is situated at?
54690. In which configuration does output ac voltage appear between emitter and ground?
54691. Figure represents a
54692. At high frequencies the output circuit of transistor amplifier reduces to
54693. A pulse transformer uses
54694. A transistor in CE mode is in saturation region. Then the collector is almost at
54695. The semi-conductor type 2 N 34 indicates
54696. The emitter bias largely depends on
54697. A limiter circuit can be built using a diode and resistance.
54698. In saturation region JFET acts like a
54699. Which of the following are difficult to be fabricated in a monolithic IC?
54700. In an op-amp a common mode signal is applied to