Electronics

What is a transformer?

• A region around a magnetic material or a moving electric charge within which the force of magnetism acts.

• Any device for converting mechanical energy into electrical energy by electromagnetic induction

• A device used to transfer electric energy from one circuit to another

what is a transistor?

• a current amplifier

• a rectifier

• a power supply

• an adder device

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The following circuit diagrams show four diodes connected to an a.c power supply.

Which circuit will make the bulb lights up the brightest?

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What is the symbol for n-p-n transistor?

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What do we call a material that opposes or contains the flow of electrons.

• Conductor

• Capacitora

• Inductor

• Insulator

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What is an example of an input?

• Sound

• LED light

• Microcontroller

• Push button

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Electronics is the branch of physics and technology concerned with the design of circuits using (a)   and microchips, and with the behavior and movement of electrons in a semiconductor, conductor, vacuum, or gas.

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The device which controls the flow of electrons is called (a)   device. These devices are the main building blocks of electronic circuits.

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Diode vacuum tube was the first electronic component invented by (a)  

The word electronics is derived from (a)   mechanics, which means to study the behavior of an electron under different conditions of applied electric field.

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