What is meant by a figure of merit?
A figure of merit is a quantity used to characterize the performance of a device, system or method, relative to its alternatives. In engineering, figures of merit are often defined for particular materials or devices in order to determine their relative utility for an application.
What is figure of merit formula?
We can find the figure of merit of the galvanometer by using the equation, k= E/(R+G)θ.
What is meant by figure of merit of a receiver?
The figure of merit ‘γ’ is the ratio of output signal to noise ratio to input signal to noise ratio of a receiver system.
What are analytical figures of merit?
Figures of merit are a way for analytical chemists to characterize a method. The six figures of merit we will use are precision, accuracy, sensitivity, linear dynamic range, detection limit, and selectivity.
What is mean by the figure of merit of a galvanometer?
It is defined as the current which produces a deflection of one scale division in the galvanometer and is given by. G =θI=N. BAK.
What is figure of merit in XRD?
‘Figure of Merit’ is a term used in a number of contexts in X-ray crystallography, however the most common use is to describe the weight which, when used to downweight the structure factor magnitude and in conjunction with the Best phase gives rise to the electron density map with the minimum level of noise.
What is mean by figure of merit of a galvanometer?
What is figure of merit in logic families?
Figure of merit is a product of propagation delay and power dissipation. It is measured in terms of Pico-Joules (ns ´mW = pJ). Current and voltage parameters define the minimum and maximum limit of current and voltage for input and output of a logic family.
What is figure of merit in optical fiber?
We can achieve a high figure of merit (FOM), defined as the ratio of the refractive index sensitivity to the full width at half maximum of the resonant peak, of approximately 62.5 RIU-1.
What is figure of merit of vibration?
The figure of merit is defined as the ratio of the desired energy gain to the energy that is input, i.e., the thermal efficiency η equals the ratio of the net work output to the heat added at high temperature. From: Science of Heat and Thermophysical Studies, 2005.
What is meant by the figure of merit of a galvanometer Mcq?
Explanation: The figure of merit of a galvanometer is the current required to produce unit deflection in the galvanometer.
What is XRD indexing?
XRPD indexing is the process of determining the size, shape and symmetry of the crystallographic unit cell for a crystalline component responsible for a set of peaks in an XRPD pattern. Indexing gets its name from the assignment of Miller index labels to each of the peaks in a pattern.
What is refinement in XRD?
The powerful X-Ray Diffraction (XRD) technique, the Rietveld Refinement method was originally used for crystal structure analysis. However, this method is presently used to great effect in Quantitative Phase Analysis affording greater precision over traditional quantitative XRD techniques.
What is figure of merit of logic gates?
Correct Option: B. Figure of merit = Power dissipation × Propagation delay.
What is figure of merit of TTL?
It is defined as the product of propagation delay and power dissipation measured in picojoules (pJ). Value of this parameter indicates that, a given propagation delay can be achieved without excessive power dissipation. This product is also referred to as figure of merit for the logic family.
What is figure of merit in VLSI?
“Figure of merit” (FOM) is a way of evaluating FETs. It accounts for both their conduction losses and their switching losses. Commonly, it’s calculated as on-resistance (R(DS)ON) times gate charge (QG). QG is the charge that must be brought to the gate of the MOSFET to turn it fully on.
What do you mean by figure of merit class 12?
Figure of merit is in general is the numerical value representing the degree of effectiveness or efficiency of an instrument approximated by different estimation techniques.
What is meant by figure of merit of galvanometer?
Ans: The figure of merit of a galvanometer is the quantity of current required to produce a deflection of one division in the galvanometer. It has a unit ampere per division and it is represented by K.
What is the expression of figure of merit of a galvanometer?
When a coil carrying current I is placed in a radial magnetic field, the coil experiences a deflection θ which is related to I as I = kθ, where k is a constant of proportionality and is termed as figure of merit of the galvanometer.
Is XRD qualitative or quantitative?
XRD techniques vary from qualitative to semi quantitative through to full Quantitative Rietveld analysis. Each technique will deliver different levels of accuracy and precision proportional to the amount of work required to improve accuracy through sample preparation, instrument running and analysis.
Why the angle is 2 theta in XRD?
Only those crystallites whose bragg planes are at an angle θ with respect to the incident angle will diffract at an angle 2θ with respect to the incident beam (or at an angle θ with respect to the diffracting planes). So that is the reason, you always use 2θ instead of θ.
Why there is a need to refine the XRD data?
This gives you very accurate d, lattice parameters (a, b, c) and other parameter. So, strain of your sample, crystallinity, calculated Intensity, quantative analysis (% W, of elements, phases) etc. can be calculated. For thin film sample it is difficult.
How do you simulate an XRD pattern?
you can use Crystal diffract, Crystal impact diamond, VESTA, and/or mercury software to simulate XRD from CIF file[ For TaO2 ], and then you can change different parameters such as Oxygen vacancy. diffract and diamond are not free mercury and VESTA are free.
What is figure of merit in logic family?
What is figure of merit FOM in logic families?
Detailed Solution
FOM of a logic Family is defined as the product of the propagation delay (tpd) and the power dissipation (PDavg), i.e. For the best IC operation, FOM should be as small as possible.