How does current flow from collector to emitter? No current flows from collector to emitter. Active — The current from collector to emitter is proportional to the current flowing into the base. Reverse-Active — Like active mode, the current is proportional to the base current, but it flows in reverse. Why is Collector current constant? […]
What year did video recorders come out?
What year did video recorders come out? The home videotape revolution was a major development in television’s history. The first video cassette recorder (VCR) to become available was not Betamax; it was the Sony U-matic (3/4″ tape) system, released in September 1971. When did VHS recorders come out? 1977 Who invented video cassette? Charles GinsburgBoris […]
What are the 3 intensity levels?
What are the 3 intensity levels? Exercise is categorized into three different intensity levels. These levels include low, moderate, and vigorous and are measured by the metabolic equivalent of task (aka metabolic equivalent or METs). The effects of exercise are different at each intensity level (i.e. training effect). How do you determine intensity level? The […]
Why is the chalice covered?
Why is the chalice covered? Chalice cloths The pall (palla) is a stiffened square card covered with white linen, usually embroidered with a cross, or some other appropriate symbol. The purpose of the pall is to keep dust and insects from falling into the Eucharistic elements. What is a communion box used for? A pyx […]
Does iPhone 4 have a headphone jack?
Does iPhone 4 have a headphone jack? iPhone 4. The headphone jack in the GSM iPhone 4 is part of the volume and mute switch cable, making it slightly different than the iPhone 4s. Remember the iPhone 4 came in two varieties, GSM and CDMA. What size is an iPhone headphone jack? Apple EarPods with […]
Do any insects have lungs?
Do any insects have lungs? Instead of lungs, insects breathe with a network of tiny tubes called tracheae. Air enters the tubes through a row of holes along an insect’s abdomen. The air then diffuses down the blind-ended tracheae. Since the biggest bugs have the longest tracheae, they should need the most oxygen to be […]
What age group has the largest population in South Korea?
Is email older than World Wide Web?
Is email older than World Wide Web? Email is much older than ARPANet or the Internet. It was never invented; it evolved from very simple beginnings. Probably the first email system of this type was MAILBOX, used at Massachusetts Institute of Technology from 1965. Another early program to send messages on the same computer was […]
How can I improve my surround sound?
How can I improve my surround sound? 5 Tips for Getting the Most Out of Your Home Theater Don’t Sideline the Subwoofer. Bass is a crucial part of the sound spectrum, and it’s important to always keep that in mind. Position the Center Speaker Higher. Center speakers go in the center — simple! Remember… Bigger […]
What is the total energy of a system called?
What is the total energy of a system called? internal energy U What is the definition of free energy? Free energy, in thermodynamics, energy-like property or state function of a system in thermodynamic equilibrium. Free energy has the dimensions of energy, and its value is determined by the state of the system and not by […]