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1KWhr = 3600KJ

A series LC circuit with C near the output terminal can act as a band pass filter.

The inductor connected near the source terminal will pass low frequency components easily and blocks higher frequency components. The capacitance connected again in series with this inductor will pass the high frequencies within the frequencies passed by the inductor. Thus the overall system will become a band pass filter with its upper cut off frequency decided by the inductor and the lower cut off frequency decided by the capacitor.

So if we choose inductors and capacitors as described then a series LC circuit with C near the output terminal can act as a band pass filter.

A push button is a momentary or non-latching switch which causes a temporary change in the state of an electrical circuit only while the switch is physically actuated.

SPST means Single Pole Single Throw switch.
Electrical relays and contactors use a low level control signal to switch a much higher voltage or current supply using a numer of different contact arrangements.

Static electricity is used in pollution control by applying a static charge to dirt particles in the air.
Then collecting those charged particles on a plate or collector of the opposite electrical charge.
Therefore the correct option is B.

The sudden flow of static electricity or Electrostatic discharge (ESD) can interfere with the operation of electronic circuits especially the circuits using CMOS and Microprocessor devices.

Before handling electronic components, it?s important to realise that semiconductors can be damaged by high voltage ?static electricity? carried on your body.

SMD means Surface Mount Device

SMD design has the advantage of smaller board size

In SMD components can be placed on both sides of the circuit board.

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