# Question

Figure 17.18 shows data on the dependence of the current through a resistor on the voltage across that resistor.

(a) Is the resistor ohmic? Explain your reasoning.

(b) What is the value of its resistance?

(c) Use the data to predict what voltage would be needed to produce a 4.0-A current in the resistor.

(a) Is the resistor ohmic? Explain your reasoning.

(b) What is the value of its resistance?

(c) Use the data to predict what voltage would be needed to produce a 4.0-A current in the resistor.

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