Compute the electrical conductivity

Assignment Help Mechanical Engineering

Reference no: EM13718432

Compute the electrical conductivity of a 3.6-mm diameter cylindrical semiconductor specimen 91 mm long in which a current of 0.90 A passes in an axial direction. A voltage of 7.5 V is measured across two probes that are separated by 61 mm. (b) Compute the resistance over the entire 91 mm length of the specimen

Reference no: EM13718432

Questions Cloud

Air expands through a nozzle and exits supersonically : Air expands through a nozzle and exits supersonically. The throat area is 10 cm2, and the throat pressure is 100 kPa. Find the pressure on either side of the throat where the duct area is 24 cm2

The van der waals equation and the redlich-kwong equation : A rigid tank has a volume of 23.3 m3 and due to safety requirements its pressure should not exceed 105 bar. If the tank has been filled with 1000kg of water vapor and is heated to 360°C check to see if it is within safety requirements.

Air enters a turbine operating at a steady state : Air enters a turbine operating at a steady state at 8 bar, 1400K and expands to 0.8 bar. This turbine is well insulated and kinetic and potential effects can be neglected. Assuming ideal gas behavior for the air, what is the maximum theoretical work ..

Compute the electron concentration : The room-temperature electrical conductivity of a semiconductor specimen is 25 (ohm-m)-1. The whole concentration is known to be 2.5E+19 m-3. The electron and hole mobilities for this material are 0.38 and 0.18 m2/V·s, respectively. Compute the elect..

Compute the electrical conductivity : Compute the electrical conductivity of a 3.6-mm diameter cylindrical semiconductor specimen 91 mm long in which a current of 0.90 A passes in an axial direction. A voltage of 7.5 V is measured across two probes that are separated by 61 mm. (b) Comput..

Products of the flash system are fed to distillation column : We are separating ethanol and water. All percentages are mol%. Find the q values and plot the feed lines. a) Feed is 60% ethanol and flashes in the column with v/f=0.37 b)Feed is 40% ethanol and is a two-phase mixture with liquid and vapor in equilib..

Entropy generation during the compression of steam : Determine the work input and entropy generation during the compression of steam from 100 kPa to 5 MPa in (a) an adiabatic pump and (b) an adiabatic compressor is the inlet state is saturated liquid in the pump and saturated vapor in the compressor an..

Develop marketing plan for product or service of your choice : Develop a marketing plan for a product or service of your choice offered in the Northern Territory.

Assume the supports only exert vertical forces on the pipe : The open-ended polyvinyl chloride pipe has an inner diameter of 4 in. and thickness of 0.2 in. It carries flowing water at 57psi pressure. If the flow of water within the pipe is stopped due to the closing of a valve, determine the state of stress in..

User Account

All Pages