An electric train is going south which way is the smoke blowing

Find the current Voltage VD and current ID in the following circuit assuming (a) ideal diode. (b) Constant voltage drop model with Von = 0.75V (c) using the exponential model (I_0=1*10^ (-14)). Verify your results through Multisim simulation

Why can certain stars sometimes be identified as eclipsing binary stars?

If a passenger train is traveling on a straight track with a negative velocity and a positive acceleration, is it speeding up or slowing down?

Why is ammeter connected in series in an electric circuit?

What is required for a sound wave to be reflected?

A magnifying glass or a hand lens is a bi-convex lens. It is convex on both sides, meaning that the glass is curved outward to form a dome. Things look bigger looking through convex lenses.

How can you use a clock to find a time interval? and what is time interval?

Which word is NOT a conjunctive adverb? Additionally However Moreover Because

You are at a train station, standing next to the train at the front of the first car. The train starts moving with constant acceleration, and 9.0 s later the back of the first car passes you.

What is an example of water transferring from the atmosphere to the cryosphere?