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

Problem 2 (a) A sinusoid with a frequency of 2Hz is applied to a sampler/zero-order hold combination. The sampling rate is 10Hz. List all the frequencies present in the output that are less than 50Hz.

When using the separatory funnel; which of the following are important Group of answer choices Shake vigorously to emulsify the two layers. The aqueous layer is always on the bottom. Use a ring clamp to hold the separatory funnel. Vent several times.

Examples of how life would be different without construction.

In successive an object moves from start position, then moves 1ft, 4ft and 8ft. This is an example of a. non-uniform motion b. uniform acceleration c. uniform motion d. free fail in Earth's gravitational field.

1. It is known that there are some disadvantages in the casting of metal materials if the casting rate is high.

The surface energy of a single crystal depends on crystallographic orientation. Does this surface energy increase or decrease with an increase in planar density

5. If a pilot wants to accelerate, which force needs to increase? a. drag b. lift C. thrust d. weight

Define the terms marker

If 6 men or 8 women can finish a work in 12 days, 9 men and 12 women will finish the work nearly?

5) A 80-kg man has a total foot imprint area of 480 cm2. Determine the pressure this man exerts on the ground if (a) he stands on both feet and (b) he stands on one foot.