Questions

Which cell is used as standard cell?

Which cell is used as standard cell?

A standard cell is a group of transistor and interconnect structures that provides a boolean logic function (e.g., AND, OR, XOR, XNOR, inverters) or a storage function (flipflop or latch).

What is meant by a standard cell?

Definition of standard cell : a cell of known electromotive force used in the potentiometer calibration of electrical instruments.

Why Weston cell is used as standard cell?

The Weston cell is such a cell whose e.m.f. remains constant for a longer period provided no appreciable current is drawn form the cell, therefore, such cells are never used as a source of energy but are used as a secondary standard of voltage for electrical measurements.

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What is called standard cell in chemistry?

The standard cell potential is a measure of the driving force for the reaction. The potential of the cell under standard conditions (1 M for solutions, 1 atm for gases, pure solids or liquids for other substances) and at a fixed temperature (25°C) is called the standard cell potential (E°cell).

What are the conditions for an electrochemical cell to act as a standard cell?

Standard conditions are those that take place at 298.15 Kelvin (temperature), 1 atmosphere (pressure), and have a Molarity of 1.0 M for both the anode and cathode solutions.

What is the cell potential of standard Weston cell?

The standard cell usually employed in potentiometric measurements is the Weston cadmium cell, shown in Figure. The potential of the cell is 1.0183 V at 250 C and it has a very small temperature coefficient.

What is the emf of Weston standard cell?

The open circuit EMF of the Weston standard cell used for standardization of potentiometer is 1.0183 V.

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What are standard cell tracks?

Track : Track is generally used as a unit to define the height of the std cell. Track can be related to lanes e.g. like we say 4 lane road, implies 4 vehicles can run in parallel. Similarly, 9 track library implies 9 routing tracks are available for routing 9 wires in parallel with minimum pitch.

What is standard potential in chemistry?

The standard cell potential is the potential difference between the cathode and anode. The standard potentials are all measured at 298 K, 1 atm, and with 1 M solutions.

What are the conditions for Culture of a specific cell type?

Cells are grown and maintained at an appropriate temperature and gas mixture (typically, 37 °C, 5\% CO2 for mammalian cells) in a cell incubator. Culture conditions vary widely for each cell type, and variation of conditions for a particular cell type can result in different phenotypes.

What is the difference between FPGA and standard cell based design?

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It is higher than that of the FPGA and so is the chip speed. A standard cell based design requires development of a full custom mask set. The standard cell is also known as the polycell. In this approach, all of the commonly used logic cells are developed, characterized and stored in a standard cell library.

What is the historical development and methods of cell culture?

The historical development and methods of cell culture are closely interrelated to those of tissue culture and organ culture. Viral culture is also related, with cells as hosts for the viruses.

What is a standard hydrogen electrode used for?

A standard hydrogen electrode is a primary reference electrode used to determine the electrode potential of a cell. The absolute value of the electrode potential of a single electrode cannot be determined because oxidation half reaction or reduction half reaction cannot take place alone.