Oquizy

The SI unit is:

Ampere Coulomb Ohm Volt

What is a reasonable estimate for the thickness of a single page in a standard textbook?

0.1 cm 0.1 mm 1.0 cm 1.0 mm

The ohm (Ω) is the SI unit of electrical resistance. It is defined as the potential difference of one volt per ampere of current. Which of the following expresses the ohm in base SI units?

kg·m²·s⁻²·A⁻¹ kg·m²·s⁻³·A⁻² kg·m²·s⁻³·A⁻¹ kg·m·s⁻²

Which instrument should be used to measure the diameters of a test tube?

Measuring tape Metre rule Micrometer screw gauge Vernier caliper

Which measuring instrument is best for measuring the diameter of a thin wire?

Measuring tape Metre rule Micrometer screw gauge Thermometer

A body is suspended in the air a pair of 5 N and 12 N perpendicular forces. What is the magnitude of the resultant force?

0 N 10 N 11.3 N 13 N

Quiz: Physics - Physical Quantities, Units And Measurement