Physics
What is the direction of torque?

Parallel to the radius
Opposite to the direction of applied force
Same as the direction of applied force
Perpendicular to the direction of applied force

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Physics
An integrated circuit is more advantages than a coventional circuit because

If a part of the integrated circuit fails the entire circuit is simply replaced
They make the electric equipments more reliable and easier for servicing
All listed here
A faulty part of a conventional circuit may be difficult to locate and repair

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