Expression for output voltage of non-inverting summing amplifier with five input voltage?
a) Vo = 5×( Va + Vb+ Vc+ Vd+ Ve)
b) Vo = [1+( Rf/R1)]× ( Va + Vb+ Vc+ Vd+ Ve) c) Vo = Va + Vb+ Vc+ Vd+ Ve d) Vo = ( Va + Vb+ Vc+ Vd+ Ve) /5

Find the type of amplifier that cannot be constructed in differential configuration?
a) Summing amplifier
b) Scaling amplifier c) Averaging amplifier d) Subtractor

Calculate the output voltage, when a voltage of 12mv is applied to the non-inverting terminal and 7mv is applied to inverting terminal of a subtractor.
a) 19mv
b) 5mv c) 1.7mv d) 8.4mv

Strain gage is an example of which device?
a) Transducer
b) Voltage follower c) Integrator d) Differentiator

An instrumentation system does not include
a) Transducer
b) Instrumentation amplifier c) Automatic process controller d) Tester

Transmission line are used for
a) Output signal
b) Input signal c) Signal transfer d) All of the mentioned

What is the line connecting the positive and negative peaks of the carrier waveform called?
a) Peak line
b) Maximum amplitude ceiling c) Modulation index d) Envelope

What is the reference line for the modulating signal?
a) Zero line
b) Carrier peak line c) Modulated peak line d) Un-modulated peak line

What happens when the amplitude of the modulating signal is greater than the amplitude of the carrier?
a) Decay
b) Distortion c) Amplification d) Attenuation

What is the effect of distortion?
a) Total information loss
b) Error information c) Attenuated information d) Amplified information

What is the circuit used for producing AM called?
a) Modulator
b) Transmitter c) Receiver d) Duplexer

The ratio between the modulating signal voltage and the carrier voltage is called?
a) Amplitude modulation
b) Modulation frequency c) Modulation index d) Ratio of modulation

What is the wave of frequency that occurs at the sum and difference of the carrier and modulating signal is called?
a) Noise signals
b) Sideband c) Extraband d) Neutral band

What type of display will give us clear information on the signal if it is made up of different frequencies?
a) Frequency domain display
b) Amplitude domain display c) Time domain display d) Bandwidth display

What happens if a satellite is launched vertically and released at its design altitude?
a) Continue to orbit the earth
b) Fall back c) Overshoots the altitude and moves at a constant speed d) Stays where it was released

The satellite is accelerating as it orbits the earth.
a) True
b) False

Why does the orbit take the shape of an ellipse or circle?
a) Position can be easily determined
b) Consume less fuel c) Most efficient geometry d) Better coverage on earth

The direction of orbit in the same direction of earth rotation is called ______
a) Retrograde
b) Posigrade c) Perigee d) Apogee

When is the speed of the satellite maximum in an elliptical orbit?
a) Retrograde
b) Posigrade c) Perigee d) Apogee

The time period taken by the satellite to complete one orbit is called ________
a) Lapsed time
b) Time period c) Sidereal period d) Unit frequency

What is the angle of inclination for a satellite following an equatorial orbit?
a) 0°
b) 180° c) 45° d) 90