# The principles of homogeneity and super-position are applied to :

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The principles of homogeneity and super-position are applied to : linear time invariant systems

## Related questions

Two sinusoidal signals having the same amplitude and frequency are applied to the X and Y inputs of a CRO. The observed Lissajous figure is straight line. The phase shift between the two signals would be (1) Zero (2) 90 degrees (3) Either zero or 180 degrees (4) Either 90 degrees or 270 degrees

The position and velocity errors of a type-2 system are?

A diode D, resistor R and inductor L and a switch S are connected in series.When a voltage V is applied across the circuit and switch is put on, the voltage across L changes as  A) V(1-exp(-t R/L)) B) Vexp(-t R/L) C) Ldi/dt +Ri D) V(1-t R/L)

If the load current and flux of a DC motor are held constant, and voltage applied across its armature is increased by 10%, its speed will:  (A) Decrease by 10%. (B) Remain unchanged. (C) Increase by 10%. (D) Increase by 20%.

If the load current and flux of a d.c. motor are held constant and voltage applied across its armature is increased by 10 per cent, its speed will?

A step voltage E is applied to a series R-L circuit. The rate of change of current is maximum at t = _:  (1) Zero (2) Infinity (3) L/R (4) R/L

A carrier signal of 600 V rms with 75% amplitude modulation is applied to 75 ohm antenna. The total side band power (in watts) is  A) 4800 B) 450 C) 950 D) 1350

If a step function is applied to the input of a system and the output remains below a certain level for all the time, the system is?

The pressure and velocity at the throat of a Venturi tube, measuring the flow of a liquid, are related to the upstream pressure and velocity, respectively, as follows: (A) Pressure is lower but velocity is higher (B) Pressure is higher but velocity is lower (C) Both pressure and velocity are lower (D) Pressure and velocity are identical

An AC supply of 230 V is applied to a half-wave rectifier circuit through a transformer having primary to secondary turn’s ratio 12:1. The peak inverse voltage is A) 8.62 V B) 12 V C) 19.17 V D) 27.11 V

In an AC circuit, the voltage across R, L and C are 30 V, 60 V and 20 V respectively. The applied voltage is (A) 70 V (B) 50 V (C) 60 V (D) 100 V

In the snubber circuit used in a thyristor to limit the peak voltage overshoot applied across it damping ratio is taken as about  A) 0.14 B) 0.21 C) 0.36 D) 0.62

In slip-energy recovery scheme of converter-fed 3-phase induction motor, super synchronous speeds are possible by (A) injecting voltage into the stator (B) injecting voltage into the rotor (C) extracting voltage from the stator (D) extracting voltage from the rotor.

There resistors of 3Ω, 10Ω, and 15Ω are connected in parallel to a 30 V circuit the current that will flow through the 3Ω resistor is

A voltage signal 10 Sinwt is applied to the circuit with ideal diodes, as shown in figure. The maximum and minimum values of the output waveform vout of the circuit are respectively

In a single-phase induction motor when the rotor is stationary and voltage is applied to the stator, then (A) the flux is constant (B) the flux first decreases and then increases in the same direction (C) the flux increases and decreases in the opposite direction with the same magnitude (D) current flows through the rotor

A ramp voltage V(t)=100 V is applied to an RC differentiating circuit with R=5 kΩ and C=4 μF. The maximum output voltage is  (A) 0.2 V (B) 2 V (C) 10 V (D) 50 V

Twelve volts are applied across a resistor. A current of 3 mA is measured. What is the value of the resistor? A.4 ohms B.400 ohms C.4 kohms D.4.4 ohms

Explain principles of calibration.

The magnitude of the open-circuit and short circuit input impedance of a transmission line are 100 ohm and 25 ohm respectively. The characteristic impedance of line is:  (1) 25 ohm (2) 50 ohm (3) 75 ohm (4) 100 ohm

The bandwidth and S/N of a communication system are 3MHz and 30dB respectively. The channel capacity (in Mbps) is around  A) 30 B) 300 C) 0.3 D) None of these

The voltage applied to the H.V. side of a transformer during S.C. test is 2% of the rated voltage. The core loss as the fraction of its rated core loss is (a) 4% (b) 0.4% (c) 0.25% (d) 0.04%

The frequency of the clock signal applied to the rising edge triggered D flip-flop shown in figure is 10 KHZ. The frequency of the signal at Q is A) 10 KHz B) 2.5 KHz C) 20 KHz D) 5 KHz

A forward potential of 10V is applied to a Si diode. A resistance of 1 KΩ is in series with the diode. The current through the diode is

Which of the following theorems can be applied to any network linear or non-linear, active or passive, time variant or time invariant?   (a) Thevenin Theorem (b) Norton Theorem (c) Telligen Theorem (d) Superposition Theorem

The ability of materials to become polarized under an applied electric field is called _______ A) Ferroelectricity B) Paraelectricity C) Polectricity D) None of these

if the rated voltage from the power lines is applied to the primary of a single-phase transformer which is operated on no-load, then

In a given transformer for a given applied voltage, losses which remain constant irrespective of load changes are?

State the following, 1) Position of head light 2) Supply voltage for flasher light 3) Colours used for marker light 4) Frequencies for engine horn.

An array is not full, The time complexity of Insertion in an array at a specific position is  (1) O(nlogn) (2) O(1) (3) O(n) (4) O(logn)

The structure sensitive property of a super conductor is

The maximum torque which a synchronous motor will develop at rest for any angular position of the rotor, at rated stator supply voltage and frequency, is known as?

An accelerometer has input range of 0 to 10g, natural frequency 30 Hz and mass 0.001 kg. The range of the secondary displacement transducer in mm required to cover the input range is (A) 0 to 2.76 (B) 0 to 9.81 (C) 0 to 11.20 (D) 0 to 52.10

11001, 1001 and 111001 correspond to the 2’s complement representation of which one of the following sets of number?  (1) 25, 9 and 57 respectively (2) –6, –6 and –6 respectively (3) –7, –7 and –7 respectively (4) –25, –9 and –57 respectively

The line of sight communication requires transmit and receive antenna to face each other. If the transmit antenna is vertically polarized, for the best reception the receive antenna should be:  (1) Horizontally polarized (2) Vertically polarized (3) At 45° with respect to the horizontal polarization (4) At 45° with respect to the vertical polarization