What is the voltage drop across a 250 ohm resistor in a 4 to 20 mA loop with a current of 16 mA?
A. 1 V
B. 2 V
C. 3 V
D. 4 V
Answer:B
What is the voltage drop across a 250 ohm resistor in a 4 to 20 mA loop with a current of 16 mA?
A. 1 V B. 2 V C. 3 V D. 4 V
Explanation: The voltage drop across a resistor in a 4 to 20 mA loop can be calculated using Ohm’s law, which states that voltage = current x resistance.