Calculate the value of $g_{m}$ for a BJT biased at $I_{C}=0.5 \mathrm{mA}.$

A BJT having $\beta=100$ is biased at a dc collector current of 1 mA. Find the value of $g_{m}, r_{e},$ and $r_{\pi}$ at the bias point.

Evaluating Which do you think have a greater influence on a teen's thoughts about smoking-tobacco ads or anti-tobacco ads?

Answer for the sequence $x$ defined by $x_1=2$, $x_n=3+x_{n-1}$, $n\geq 2$. Is $x$ nondecreasing?

Find the equation in standard form for the line that satisfies the given requirements. -horizontal line through (-2, -5)

Find the exact value of each quadrantal angle. If any are not defined, write undefined. $\csc 1080 ^ { \circ }$

Find a function y=f(x) that describes the parametric curve x=-2t+1, y=

$$3t^2$$

, for

$$- \infty < t < \infty$$

.

A 5-kg rock is thrown upward with a force of 150 N at a location where the local gravitational acceleration is $9.79 m/s^2.$ Determine the acceleration of the rock, in $m/s^2.$

Solve for x exactly without using a calculator. $\log (x+5)=\log (2 x-3)$

Convert these radian measurements to degrees: $\frac{11 \pi}{6}$

A cyberchondriac is defined as a person who regularly searches the Web for health care information. Each year a Harris Poll is conducted to determine the number of cyberchondriacs in the United States. In 2008, the Harris Poll surveyed 1,010 U.S. adults by telephone and asked the following questions: 1. Have you ever gone online to look for health care information? 2. How many times per month do you look for health care information online? 3. In the past year, have you ever discussed with your doctor the information you found online? a. For each question, determine whether the type of data collected is quantitative or qualitative. b. Do the data collected for the 1,010 adults represent a sample or a population? Explain.

Why bother using a machine if it cannot multiply work input to achieve greater work output?

On Black Monday, October 28, 1929, the stock market on Wall Street crashed.The Dow Jones average dropped from 298.94 to 260.64 in one day. What was the relative change in the index?

A straight $12\overline0$-ft culvert is built down a hillside that makes an angle of 25.0 degrees with the horizontal. Find the height of the hill.