Approximately how much current flows through a 3.3 MΩ resistor across a 30 V source?

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Approximately how much current flows through a 3.3 MΩ resistor across a 30 V source? Answer: 9 μ A

Question context

This question is part of ⚡ Electrical Engineering within the broader 🛠️ Engineering Essentials subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.