An n-type semiconductor is known to have an electron concentration of 3 ' 1018 m-3. If the electron drift velocity is 100 m/s in an electric field of 500 V/m. Calculate the mobility and conductivity of this material

Water at room temperature of 20.0°C is poured into an aluminum cylinder which has graduation markings etched on the inside. The reading in the graduations is 300.0 cc.

The electronics aboard a certain sailboat consume 50 W whenoperated from 12.6-V source. If a certain fully charged deep-cyclelead acid storage battery is rated for 12.

In an ideal Otto cycle, indicate whether the following statements are true or false: (A) All the processes are internally reversible. (B) Cycle efficiency increases with the maximum temperature.

What is the power system?

Which of these is NOT a function of Shock Absorbers? A. Support the weight of the wheel where it is located B. Dampen Spring Oscillations C. Maintain contact between the tire and the road D. Reduces cornering body roll

The pressure and temperature at the beginning of compression of an air-standard Diesel cycle are95 kPa and 300 K, respectively. At the end of the heat addition, the pressure is 7.2 MPa and thetemperature is 2150 K.

Explain two Types of bearing?

7 Single-use earplugs require a professional fitting before they can be used. A True B) False

Electric power is to be generated by installing a hydraulic turbine-generator at a site 138 m below the free surface of a large water reservoir that can supply water at a rate of 2400 kg/s steadily. Determine the power generation potential.

When the French horn plays with brass instruments, then it is played very softly to match the texture. True/False