We can find the figure of merit of the galvanometer by using the equation, k= E/(R+G)θ.
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What is figure of merit example?
The figure of merit (FOM) is determined by the primary characteristic that makes something fit for a specific purpose. For example, a digital camera’s figure of merit is its sensor resolution, while the FOM in a loudspeaker is the frequency response.
What is figure of merit class 12?
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. K = Torsion constant.
What is a figure of merit of vibration?
The figures of merit are some of the best known gear condition indices. The various figures of merit, including FM0 and FM4 and the indices NA4 and NB4, were designed to detect certain kinds of gear faults from the vibration of a gear. ( All of these are the fourth kind except FM0 which belongs to the first kind.)
What is the SI unit of figure of merit?
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 value of figure of merit of galvanometer?
Figure of merit of given galvanometer is 0.545 A/dn . All connections should be neat and tight .
What does having merit mean?
: to be worthy of or entitled or liable to : earn. intransitive verb. 1 : deserve. 2 obsolete : to be entitled to reward or honor.
What is represented by figure of merit Mcq?
Explanation: Figure of merit is a numerical quantity based on the characteristic of system that represents a measure of efficiency or effectiveness. It is defined as the ratio of output signal to noise ratio to input signal to noise ratio.
What is figure of merit explain sensitivity of an analytical method?
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 meant by the figure of merit of a galvanometer Mcq?
The figure of merit of a galvanometer can be defined as a current required to produce unit deflection in the galvanometer scale. The figure of merit is denoted by the symbol k.
What is the formula of galvanometer?
A galvanometer is a sensitive device which can detect the presence of very small current in a circuit of the order of 100 mA. For measuring current of the order of an ampere, a low resistance called shunt resistance S is connected in parallel across the galvanometer having resistance G. I = n N . 1.
What is meant by the figure of merit of a galvanometer immersive reader?
Solution : Figure of merit of galvanometer is defined as the amount of current which produces one scale deflection in the galvanometer. Answer.
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 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 a figure of merit that best describes how much noise a device creates?
Noise figure (NF) and noise factor (F) are figures of merit that indicate degradation of the signal-to-noise ratio (SNR) that is caused by components in a signal chain. These figures of merit are used to evaluate the performance of an amplifier or a radio receiver, with lower values indicating better performance.
What is the unit of galvanometer?
The SI unit of current sensitivity of galvanometer is division/ampere (or) radian/ampere.
What is sensitivity of galvanometer?
The deflection induced in the coil of the galvanometer per unit passage of electric current through it is known as current sensitivity.
How can we increase the figure of merit of galvanometer?
- Obtain the expressions for sensitivity and figure of merit of galvanometer giving its principle.
- In order to increase the sensitivity of a moving coil galvanometer, one should decrease.
- The current sensitivity of a moving coil galvanometer increases by 20% when its resistance is doubled.
On what factors does figure of merit depend?
1) on the couple per request of the phosphor bronze spring. 2) area of the coil. 3) number of turns in the coil and 4) magnetic field.
What is resistance of galvanometer?
A galvanometer is a device that can detect and measure very tiny currents in an electrical circuit. The resistance of an ideal galvanometer should be zero. The galvanometer, in actuality, has a very low resistance of 100 ohms.
What is the use of galvanometer?
A galvanometer acts as an actuator in response to electrical current flowing through a coil in a continuous magnetic field by generating a rotary deflection of a pointer. A galvanometer is a device (instrument) used in a circuit to detect weak electrical voltages and currents.
What does merits mean in science?
Scientific merit Scientific merit is considered as a way to examine if our research study represents good science. Therefore, we will need to make sure that any research we are working on, clearly states the research questions and its overall objectives.
What is the full form of merit?
MERIT Stands For : Management Enterprise Risk Innovation And Teamwork.
What you say has merit?
If something has merit, it has good or worthwhile qualities. The argument seemed to have considerable merit.
What is entropy Mcq?
Entropy is a measure of randomness or disorder in the system. Entropy is a thermodynamic function and is denoted by S. The higher the entropy more the disorder in the isolated system. A change in entropy in a chemical reaction is related to the rearrangement of atoms from reactants to products.