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Compared to other devices, the size of an inductor is too large. Making a small inductor with all characteristics is quite expensive as well.

It has gates from 100 – 9999 gates. Large-scale integration is a situation in which a chip has tens of thousands of transistors on it. A microprocessor is a clock-driven semiconductor device consisting of electronic logic circuits manufactured by using a large-scale integration technique.

Opamp is a voltage amplifying device. it is commonly used compared to other devices.

555 Timers are commonly used in several timing circuits. It is used to provide timing delays and also used as flip flop elements.

LED emits less light compared to a CFL. And also, they emit light in a specific direction, do not need diffusers or reflectors that trap lights. Thus LEDs are more efficient than CFL.

Now, only rotating UPS models are used. Once the supply goes, the engine starts, the alternator activates and finally turns on the mains.

SMPS give an unregulated Dc signal as its output.

Dual Inline Pin Package or DIP packages are easier to mount compared to other packages. It does not involve any bending or soldering.

On viewing the DIP IC from top-level, we find dot and notch. This allows us to identify the pin numbers easily. Pin numbers are indicated in a counter-clockwise direction.

Whenever we place a capacitor filter, within a circuit, it filters the output. In other words, a filter is a device that blocks certain frequencies.
We have several filters. Based on that, it will block that particular frequency range.
The answer is option (a).

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