What is the movement of electrons from atom to atom is called?
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Mar 14, 2018
by
anonymous
The number of electrons in the outer most orbit of carbon atom is?
Last Answer : The number of electrons in the outer most orbit of carbon atom is 4.
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102 views
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Mar 25, 2018
by
anonymous
Which way do electrons flow in an electrochemical cell?
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Mar 14, 2018
by
anonymous
Do electrons flow from the anode to the cathode?
Last Answer : electrons flow from cathode to anode because the electron has a negative charge and repels from the negatively charged cathode whilst also attracting to the positively charged anode.
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198 views
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Mar 14, 2018
by
anonymous
What are ways we can measure the flow of electrons?
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Mar 14, 2018
by
anonymous
What is the direction of the flow of electrons?
Last Answer : Electrons flow cathode to anode or in an oposite direction of convection current flow or holes.
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Mar 14, 2018
by
anonymous
What is the force that holds protons and neutrons together in the nucleus of an atom?
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Mar 10, 2018
by
anonymous
Which have more free electrons: conductors or insulators?
Last Answer : Conductors have many free electrons whereas insulators have very few or none at all.
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150 views
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Jul 1, 2019
by
anonymous
What are the number of valence electrons of atoms in semiconductor?
Last Answer : There are four valence electrons in the atom of a semiconductor.
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109 views
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Mar 9, 2018
by
anonymous
why current flows in opposite direction of electrons?
Last Answer : Hi team, the current flow is nothing but flow of electrons But the conventional direction I'd opposite to actual current flow . ..
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Oct 3, 2017
by
anonymous
The substances which have a large number of free electrons and offer a low resistance are called?
Last Answer : The substances which have a large number of free electrons and offer a low resistance are called conductors.
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Mar 25, 2018
by
anonymous
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Does current flow through a capacitor ?
Last Answer : Imagine a pipe with a flexible diaphram in the middle separating two haves of the pipe. Now the pipe is filled with air. If you apply a pressure to one end the diaphram will deform ... capacitor, the effects on electrons will be recreated across the boundary. But theres no electrical connection...
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Aug 25, 2019
by
anonymous
State advantages & disadvantages of electromagnetic flow meter.
Last Answer : Advantage: Provides wide linear range. 2) Ability to measure reverses flow. 3) Gives rapid response to flow changes. 4) No obstruction is created to flow. 5) It can handle corrosive as ... and pipe networks with relatively short inside diameters. 3) It is useful for electrically conducting fluid.
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Aug 5, 2019
by
anonymous
Compare variable head flow meter with variable area flow meter.
Last Answer : Parameter Variable head flowmeter Variable area flowmeter Working principle Restriction or obstacle is placed in the path of flow to create a differential Pressure. The pressure ... viscous fluid slurries and dirty fluids. In laboratories and testing and production lines.
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355 views
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Aug 5, 2019
by
anonymous
Describe principle of operation of Doppler type ultrasonic flow meter with diagram.
Last Answer : Diagram: Working: The flow meter consists of a crystal transducer mounted outside the pipe in which flow is to be measured. This transducer is a piezoelectric crystal which ... , so the frequency of the reflected wave is shifted to particle velocity, according to Doppler principle.
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Sep 8, 2018
by
anonymous
Define laminar flow and turbulent flow.
Last Answer : Laminar flow : When a fluid flowing through the pipe at different speeds (fast at center and slow at edges), and the fluid particles move in layers with one layer sliding over the adjacent ... successive cross sections, then this flow is called as turbulent flow. Reynolds no is greater than 4000
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2 answers
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Sep 8, 2018
by
anonymous
Classify hydro-electric power plants according to water flow regulation and explain in brief.
Last Answer : Classification of hydro-electric power plants according to water flow regulation of water flow:- 1. Large reservoir power plant 2. Run-off river (ROR) power plant with poundage 3. Run-off River ... depends upon rate of flow of water Initial cost is less Its purpose is to generate electricity.
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Sep 7, 2018
by
anonymous
Load flow studies involve solving simultaneous (1) linear algebraic equations. (3) linear differential equations. (2) non-linear algebraic equations. (4) non-linear differential equations.
Last Answer : Load flow studies involve solving simultaneous non-linear algebraic equations.
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May 1, 2018
by
anonymous
The current flow in a battery is due to ______ A) movement of ions B) movement of protons C) movement of holes D) movement of neutrons
Last Answer : The current flow in a battery is due to movement of ions
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Apr 29, 2018
by
anonymous
lf the wire which is vertical to this page has electron flow downwards the conductor will have
Last Answer : lf the wire which is vertical to this page has electron flow downwards the conductor will have a counter-clockwise field in the plane of the paper
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180 views
1 answer
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Apr 26, 2018
by
anonymous
Inductance affects the direct current flow?
Last Answer : Inductance affects the direct current flow at the time of turning on and off.
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138 views
1 answer
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Mar 25, 2018
by
anonymous
What is the direction of flow of current?
Last Answer : Current flows from anode to cathode(opposite direction to flow of electrons)
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Mar 14, 2018
by
anonymous
Why does charge flow from positive to negative?
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Mar 14, 2018
by
anonymous
What is the direction of the conventional current flow?
Last Answer : The conventional current flow in opposite direction of flow of electrons. The electrons flow from negative terminal of battery to positive terminal of battery. And conventional current flow from positive terminal of battery to negative terminal of battery.
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asked
Mar 14, 2018
by
anonymous
What is the direction of flow of electric current in an electric circuit?
Last Answer : It flows from anode to cathode (direction of holes flow)
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172 views
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asked
Mar 14, 2018
by
anonymous
Explain The Flow Of A Typical Instruction Word.?
Last Answer : Answer :The flow of a typical Instruction word is as follows: The content of the program counter of 2 byte is transferred to the address register known as MAR ( memory address register ). This ... bus. Now the data is placed in the instruction register which will eventually decode and execute it.
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1 answer
Axial flow compressor
Last Answer : Axial flow compressor : Working Principle: As the fluid enters and leaves in the axial direction, the centrifugal component in the energy equation does not come into play. Here the compression is fully ... the absolute velocity of the fluid and the stator converts this into pressure rise.
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Jan 2, 2021
by
anonymous
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Draw venture meter and write steps to measure flow rate.
Last Answer : Venturi meter consists of three sections that is converging section, throat section and diverging section. The flow is introduced to the meter through the inlet with diameter D' . The inclined angle ... to 15o . Flow rate is proportional to the square root of the differential pressure.
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95 views
1 answer
asked
Jun 26, 2020
by
anonymous
List variable flow meter.
Last Answer : 1. Variable area : Rotameter 2. Variable head : a) Venturi b) Orifice c) Pitot tube d) Nozzle
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1 answer
asked
Jun 26, 2020
by
anonymous
Why does the magnetic field flow from north to south?
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May 27, 2020
by
anonymous
In load flow Study, a PV bus is treated as a PQ bus when
Last Answer : Voltage at the bus becomes high
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May 8, 2018
by
anonymous
The device which allows reverse power flow and withstands highest switch frequency is (A) GTO (B) MOSFET (C) IGBT (D) Inverter grade SCR
Last Answer : The device which allows reverse power flow and withstands highest switch frequency is MOSFET
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90 views
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Apr 28, 2018
by
anonymous
A Unified Power Flow Controller (FACTS controller) is a voltage source converter based (A) Inter-phase power controller (B) Static Compensator (C) Combination of series and shunt compensators (D) Solid-state series compensator
Last Answer : A Unified Power Flow Controller (FACTS controller) is a voltage source converter based Combination of series and shunt compensators
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Apr 28, 2018
by
anonymous
The power flow problem mathematical model for a linear transmission network (A) is non-linear (B) is linear (C) considers time variation of generation (D) does not consider tap-changing transformers
Last Answer : The power flow problem mathematical model for a linear transmission network is non-linear
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Apr 28, 2018
by
anonymous
Precise control of reactive current flow entering the transmission and distribution systems can be minimized by using (A) synchronous condenser (B) static VAR capacitor (C) capacitor bank (D) thyristor switched reactor in parallel with capacitor
Last Answer : Precise control of reactive current flow entering the transmission and distribution systems can be minimized by using (A) synchronous condenser (B) static VAR capacitor (C) capacitor bank (D) thyristor switched reactor in parallel with capacitor
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138 views
1 answer
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Apr 28, 2018
by
anonymous
Liquid flow rate is measured using (A) a pirani gauge (B) a pyrometer (C) an orifice plate (D) a bourdon tube
Last Answer : Liquid flow rate is measured using an orifice plate
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Apr 26, 2018
by
anonymous
What is the direction of flow when charging a capacitor?
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Mar 15, 2018
by
anonymous
What is the use of signal flow graph?
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Mar 10, 2018
by
anonymous
Why do you need a closed circuit for electricity to flow?
Last Answer : When the circuit is closed , a potential diffrence is realized between the two nodes connected .This causes flow of electrons and convection current.
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Mar 10, 2018
by
anonymous
what is UPFC?
Last Answer : UPFC stands for unified power flow controller. It's used for real time control & dynamic compensation of ac transmission system.
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856 views
2 answers
asked
Aug 8, 2017
by
anonymous
In which type of bond are one or more electrons transferred from one atom to another?
Last Answer : Need answer
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1 answer
A neutral atom with an atomic number of five has electrons equal to: A. 1 B. 5 C. none D. depends on the type of atom
Last Answer : A neutral atom with an atomic number of five has electrons equal to: 5
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asked
Apr 12, 2018
by
anonymous
True or False. The imbalance of electrons in an atom creates a movement of electrons called the electric current?
Last Answer : 1
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Feb 1
by
anonymous
Electrons in the highest energy level of an atom are called _______. (1) valence protons (2) orbital protons (3) valence electrons (4) orbital electrons
Last Answer : (3) valence electrons Explanation: The outermost orbital shell of an atom is called its valence shell, and the electrons in the valence shell are valence electrons.
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The electrons present in the outmost shell of an atom is called?
Last Answer : Valence electrons
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The ability of an atom to donate electrons is called?
Last Answer : Electro positivity
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1 answer
Which of the following statements is incorrect? (a) Electrons move toward positively charged locations. (b) An electron-rich atom is called an electrophile. (c) An electrophile is electron loving. (d) A nucleophile has a a pair of electrons it can share
Last Answer : An electron-rich atom is called an electrophile.
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1 answer
Last Answer : Flow of electrons in the circuit constitutes an electric current
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Mar 31, 2018
by
anonymous
Why are the electrons in an atom moving around the nucleus?
Last Answer : Electrons are trapped in orbit around the nucleus of an atom due to nuclear forces of attraction. They are always on the move.
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Feb 27
by
anonymous
Draw the atomic structure of (i) an atom with same number of sub-atomic particles, (ii) an atom with same number of electrons in L and M shell. -Chemistry 9th
Last Answer : (i) Oxygen Number of electrons = 8 Number of protons= 8 Number of neutron= 8 (ii) Argon Atomic number =18=2,8,8 No of electrons in L shell = 8 No of electrons in M shell = 8
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asked
Feb 2
by
anonymous
