Engineering Q&A

Form the hot metal surface electrons escape because

Form the hot metal surface electrons escape because 

 (A) of change of state from metal to gas due to heat. (B) of change of state from gas to metal (C) the energy supplied is greater than the work function (D) the energy is greater than Fermi level
in Physics by

1 Answer

0 like 0 dislike

Form the hot metal surface electrons escape because the energy supplied is greater than the work function

by

Related questions

2 answers
In a metal wire, which particle carries electric current?
asked May 15, 2018 in Physics by anonymous1 | 73 views
2 answers
If an atom loses one or more electrons, it becomes _____.
asked May 29, 2018 in Physics by anonymous1 | 47 views
1 answer
Form factor is the ratio of:
asked May 29, 2018 in Electrical Engineering by anonymous1 | 25 views
1 answer
What is the full form of "HDMI" port?
asked May 13, 2018 in Computer Engineering by anonymous1 | 24 views
Welcome to electronics2electrical.com, where students and teachers can ask and answer any question. Get help and answers to any engineering problem including Electrical, electronics, mechanical, telecommunication, instrumentation, computer, mathematics, physics etc. Get answers to questions. Help is always 100% free!

Most popular tags

power motor dc circuit transformer voltage current system used phase resistance factor ac load synchronous induction energy electric generator electrical series frequency capacitor between plant line speed transmission use meter type advantages difference single mosfet control function instrument problem magnetic amplifier high diode bjt machine unit source motors and diagram winding shunt field parallel define electricity torque value maximum time relay types arduino supply digital armature applications thyristor working transformers wave on flow operation three coil material instruments state ratio signal emf effect formula efficiency theorem method disadvantages starting microprocessor network test operating direction controlled different logic transistor single-phase scr loss temperature connected rc law force inductance compare measure station wire low conductor principle wattmeter full characteristics measuring constant measurement breaker losses device converter bridge linear materials nuclear matrix flux drive resistivity of machines angle switch free rectifier protection core circuits battery solar gain thermal loop generators open negative analog number lines friction reactance short gate pole inverter the conservation diesel iron resistors capacitance engineering basic using direct main electronic electronics a steam induced relays hysteresis universal transducer computer feedback range distribution work secondary igbt algebra pmmc plants factors capacitors dielectric controller regulation systems design air fault components rotor cable starter oscillator eddy alternator application semiconductor ammeter rl average forces damping rlc connection zener electromagnetic biasing minimum insulation pressure balanced permanent moving errors running copper self analysis impedance stability quality start ideal curve over commutation is 3-phase arc permeability peak bias error fuzzy commutator conductors superposition density mechanical rotation construction measured electrons charge memory inductive two transfer explain fuse methods off back three-phase tariff locomotive installation welding heating rms surge rating generation potentiometer coupled shaded rate capacity storage adc excitation active pure resistor harmonics reluctance microcontroller voltmeter inductor internal 8085 cro reaction insulating overhead hydro resonance traction definition breakers earth

9,196 questions

7,944 answers

156 comments

3,292 users

9,196 questions
7,944 answers
156 comments
3,292 users