Engineering Board Exam Reviewer · Ohm's Law · medium

A 4.7 k resistor carries 2.5 mA. What is the voltage across it?

  1. 11.75 V
  2. 1.88 V
  3. 0.53 V
  4. 4.7 V

Answer

A. 11.75 V

Solution

V=IR=(2.5×10-3)(4.7×103)=11.75 V.

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