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In the OTA, the transconductance is controlled by A The ac supply voltage B A bias current C The input signal voltage D The manufacturing process
1575An FM receiver has an IF frequency that is A 88MHz-108MHz range B 540kHz-1640kHz range C 455kHz D 10.7MHz
2 3079In order to handle all combinations of input voltage polarities, a multiplier must have A Four-quadrant capability B Three- quadrant capability C Four inputs D Dual-supply voltages
1375When the two inputs of a multiplier are connected together, the device operates as a A Voltage doubler B Square root circuit C Squaring circuit D Averaging circuit
1404Amplitude modulation is basically a A Summing of two signals B Multiplication of two signals C Subtraction of two signals D Non-linear process
1708The output of an AM detector goes directly to the A IF amplifier B Mixer C Audio Amplifier D Loudspeaker
1488A PLL maintains lock by comparing A The phase of two signals B The frequency of two signals C The amplitude of two signals D None of these
1777Which of the following amplifier compensates for drift? A Low gain amplifier B High gain amplifier C DC amplifier D Differential amplifier
1 2533If a square wave is integrated by integrator using op-amp, the output is A Triangular wave B Ramp C Sine Wave D None of these
1 1744The loss of precision in quantity is called A Down time B Delay C Unavoidable delay D None of these
1500Photolithography involves A Making photographic mask and photoetching B Only photoetching C Only masking D None of these
1 2461The positive clipper can be easily converted into negative clipper by A Reversing diode and changing the polarity of reference voltage B Reversing diode only C Changing the polarity D None of these
3216....................... regulator operates the power transistors as high frequency on/off switch. A Series B Short C Switching D None of these
130396 The high-frequency response in RC active filters using op-amp is due to A BW B Gain C Gain,BW product D High frequency
1 2310
Difference between a pilot wire and a normal conductor?
when ac current flows thru d coil of a contactr,it energizes,magnetic field attracts d contact of the coil...nw wont dt ac current in d contct induce current back on to d coil thru mutual inductance leading to high currnt in d coil
What is a slack bus?
What is multiplexing?
Define a surfactant?
What was the Dg set radiator and lube oil temperatures trip in ACB
is there any good institute in mumbai that provides good Automation courses ?
SAND AND STONE AGGREGATES WASTAGE PERCENTAGE IN CONCRETING WORK?
Insights of tri-state inverters?
what is Anti-pumping?
Describe the function of Accumulator into the Pump
Explain the common failure mechanism for above ground atmospheric storage tanks?
Describe a time when you anticipated potential problems and developed Preventive measures
11KV AND 22KV NETWORK KW CAPACITY IN RING AND RADIAL?
All tape of electrical questions Answers tape of motor transformer e.o.t crane
