Praxis II General Science

Category - Physics

What is the voltage across a 10 Ohm resistor, if we flow 0.25 amps of current through it?
  1. 0.25 V
  2. 2.5 V
  3. 25 V
  4. 250 V
  5. 500 V
Explanation
Answer: B - According to Ohm’s Law, V = I*R. Thus, V = 0.25*10 in this case, or 2.5 volts.
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