IB Physics HL S1.3.3 Units and Numerical Values Questions

Use HL SI units, prefixes and numerical conversions correctly when calculating momentum, energy and other physical quantities.

Exam points

Use SI units, prefixes, symbols, significant figures and unit checks.

[Maximum number: 1]

A rod, R , lies perpendicular to a uniform magnetic field B of strength 0.50 T directed into the plane of the page. R is connected to a circuit and the electric current $I_{\mathrm{R}}$ is 2.0 A .

$\quad B$ is removed and a wire Z, carrying a current $I_{Z}$ , is placed parallel to R.

Figure for Question IB Physics HL S1.3.3 Units and Numerical Values Questions question 1 — IB Physics HL

Derive the units of $\mu_{0}$ in SI fundamental units.

$\mathrm{kg} \mathrm{m} \mathrm{s}^{-2} \mathrm{~A}^{-2}$

Marking guidance:

Allow fractional answers such as:
$\frac{k g m}{s^{2} A^{2}}$

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IB Physics HL S1.3.3 Units and Numerical Values Questions question 1