Physics Medium PPSC Uploaded: 17 Aug 2026

The SI unit of electric charge is:

Correct Answer: Option A — Coulomb

Explanation:

Electric charge is measured in Coulombs (C) in the SI system, defined as the quantity of charge transported by a current of one ampere flowi...

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The SI unit of electric current is:

Ohm's law relates voltage, current, and:

Which of the following travels fastest in vacuum?

The mathematical form of Ohm's law is:

The power of a convex lens is considered:

The SI unit of electrical resistance is:

A concave mirror can produce:

When resistors are connected in series, the total resistance:

The magnifying power of a simple microscope increases when the focal length of its lens is:

When resistors are connected in parallel, the total resistance: