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The SI unit of electric charge is:
The mathematical form of Ohm's law is:
The SI unit of electric current is:
The SI unit of electrical resistance is:
Which of the following travels fastest in vacuum?
When resistors are connected in series, the total resistance:
The power of a convex lens is considered:
When resistors are connected in parallel, the total resistance:
A concave mirror can produce:
The SI unit of electric power is: