$\overline{){\mathbf{V}}{\mathbf{=}}{\mathbf{IR}}}$

$\overline{){\mathit{f}}{\mathbf{=}}\frac{\mathbf{1}}{\mathbf{T}}}$

$\overline{){\mathbf{1}}{{\mathit{s}}}^{\mathbf{-}\mathbf{1}}{\mathbf{=}}{\mathbf{1}}{\mathbf{}}{\mathit{H}}{\mathit{z}}}$**Part A**

At t = 0s, V = 10 V and I = 0.5 A.

The figure shows voltage and current graphs for a resistor.

Part A

What is the value of the resistance R?

Express your answer using two significant figures.

R = _______Ω

Part B

What is the emf frequency f?

Express your answer using two significant figures.

f = __________Hz