167801. A memory in which the contents get erased, when power failure occurs :
167802. Race around condition occurs in J-K Flip Flop
167803. A demultiplexer can be used to realize a :
167804. The logic swing of a gate is about 0.8V. This gate belongs to logic family :
167805. For a feedback control system of type 2, the steady state error for a ramp input is :
167806. In force current analogy, Capacitance is analogous to :
167807. Which of the following quantity is the same for mechanical translational system and mechanical rotational system?
167808. The number of roots of s3 + 5s2 + 7s + 3 » 0 in the right half of s-plane is :
167809. Regenerative feedback means the output is feedback with :
167810. An increase in damping factor :
167811. A compensating network is added to :
167812. The characteristic equation of an armature controlled DC motor is of:
167813. The breakaway points of the root locus occurs at:
167814. If the damping factor of a system is 1, the system is :
167815. An energy meter whose constant is 700 revolutions / kWHr makes 5 revolutions in 15 seconds. Calculate the load in kW :
167816. The ratio error of a current transformer is due to :
167817. Which method is most suitable for the measurement of resistance of an ammeter shunt?
167818. A (0-1) A ammeter has an internal resistance of 10 ohm. What value of shunt resistance is to be added to measure a current of 5 A :
167819. For a single phase induction type energy meter, to obtain true value reading, the shunt magnet flux must lag the applied voltage by :
167820. The hysteresis error in the instrument causes :
167821. While measuring power in a 3 phase circuit by 2 wattmeter method, the wattmeter readings will be equal and opposite when :
167822. Thermocouples are:
167823. In spring controlled Ml instruments. The scale is:
167824. The controlling torque in a meggar is provided by :
167825. Swamping resistance is used to compensate the error due to :
167826. Multiple trace can be accomplished in a CRO with :
167827. In an electronic ohm meter, the OP-AMP is used as a :
167828. In order to reduce the loading effect of the circuit under test, the input impedance of an electronic meter should be :
167829. Electronic volt meters are more accurate for high resistance circuits as compared to ordinary voltmeter because of its :
167830. If the duty cycle of a pulse waveform clamped around zero is 0.5. What is its crest factor?
167831. A digital power factor meter converts pf into frequency and is counted. If the peak stepped down voltage is 2V, CT ratio 1:40 and rectifier gain is 1. What would be the frequency for 0.85 pf?
167832. The voltage sensitivity of a multi meter is 20mV. Its internal resistance is 40 ohm. Then its current sensitivity is:
167833. A digital phase meter with ZCD'is fed with 2 sinusoidal voltages of the same amplitude and frequency but with a phase displacement. If the time delay with them is 0.15 msec and their time periods are 1.5 msec, what is the measured phase difference :
167834. A differential amplifier inputs are 5 mV and 3 mV. The output is 300 mV. What is the amplifier gain ;
167835. If the bandwidth of an oscilloscope is 12 MHz, what is the fastest rise time a sine wave can have in order to be accurately reproduced by the instrument?
167836. 2 identical coils of 200 turns each, lie in a parallel plane and produced a flux of 400 mWb. If a current of 8 A flows through one coil, find the mutual inductance :
167837. A coil of insulated wire of resistance 8 ohm and inductance 0.03 H are connected across 240 V 50 Hz supply. Calculate the active power drawn by the coil:
167838. Peak factor of a sinusoidal wave is :
167839. The magnetic hysteresis is primarily due to :
167840. load in each branch of a delta connected balanced 3 phase, 400 V, 50 Hz circuit, consists of an inductance of 31.8 mH series with a resistance of 10 ohm. Calculate total power consumed by the ckt:
167841. A 20 kV is applied across a capacitor with capacitance is 0.0004 micro farad. The capacitor is formed by 2 parallel metal plates each of area 200 cm2 and separated by a dielectric 4 mm thick. Find the electric flux density :
167842. If the inductance of a series circuit is increased, its resonance frequency :
167843. In a balanced delta connected 3 phase system, lino currents lags the phase currents by :
167844. If there are a nodes in a circuit, then the number of equations needed to solve the network using nodal analysis is :
167845. The power dissipation in each of 4 parallel branch of a circuit is 1 W. Total power dissipation is:
167846. If the length of a given conductor is doubled and it's cross section is halved, its resistance becomes:
167847. A 60 MW power station has an annual peak load of 50 MW. The annual load factor is 0.45. Find the average load :
167848. Absorption of neutrons in a nuclear reactor is done by :
167849. In a hydroelectric power plant, sudden rise of pressure in the penstock pipe is managed with :
167850. The tariff that takes into account of the power factor of the consumer is :
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