A current-controlled, three-terminal semiconductor device used for the control and amplification of electronic circuitry is called transistor
A transistor is a semiconductor device that switches or amplifies electrical impulses. The transistor is one of the fundamental components of contemporary electronics. [1] It has at least three terminals for connecting to an electronic circuit and is made of semiconductor material. The current flowing through another pair of the transistor's terminals is controlled by the voltage or current provided to one set of those terminals. Because the regulated (output) power might be higher than the controlling (input) power, a transistor can amplify a signal. Although many more transistors are found embedded in integrated circuits, some are packaged individually.
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Answer:
Scientists have theorized that fugitive emissions of methane from fracking wells could make gas worse than coal pollution for the climate. Fracking wells also leak volatile organic compounds (VOCs), which cause asthma, cancer, and severe illness. ... The researchers pinpoint oil and gas development as the main source.
Answer: A - As a store of value, which facilitates the accumulation of wealth and value over time
Explanation: Money is defined as a medium of exchange and as a store of value. Money is anything that can be used as an exchange for goods and services. There are various functions of money and they are:
1. Medium of exchange - it can be used to settle all transactions for goods and services.
2. Measure of value - it can be used to measure the worth of goods and services.
3. Store of value -it can be stored now for the future. It is a way to store up wealth for the future.
Answer:
it celebrated on december 24
Well designed instructions should select use of a layered approach for lengthy instructions and separate each step visually.
Option: D
Explanation:
A well designed instruction implies an audio-visual effect which includes layered approach for lengthy instructions means writing of the whole things in proper segregation. And present each step with systematic presentation. Visual effect draws a significant place in the mind of a listener.
Well designed approach includes knit and cleanliness in presentation, transparency, symbolization, pointing and highlighting the useful points for better configuration and execution. This approach is more useful for attracting attention in presentation.
