Analyst Questions

The main excretory organs of insects and spiders are Malpighian tubules.

Abasto Shopping is the largest mall in the capital city of Argentina, Buenos Aires with over 230 shops, movie theaters and an enormous food court.

Electrical discharge machining (EDM), also known as spark machining, spark eroding, burning, die sinking, wire burning or wire erosion, is a manufacturing process whereby a desired shape is obtained by using electrical discharges.

Labyrinth which is part of the ear is the main organ of balance in the human body.

Tractor was the single most important invention to farmers.

Cotton Gin was invented by Eli Whitney in 1793, which is used to separate cotton seeds from cotton fiber.

Hence, it was an important invention because it dramatically reduced the amount of time it took to separate cotton seeds from cotton fiber.

From the given circuit,

The resistors R1 and R2 are in parallel connection and R3 is in series with R1 & R2

The equivalent resistance of R1 and R2 is

Req = (12 × 4)/(12 + 4) = 3 Ω.

Adding R3 in series with the pair gives

R = Req + 9

R = 3 + 9

R = 12 Ω.

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