There are four resistors in a circuit with an applied voltage of 120V. The voltage drops across three resistors is 15V each. What is the voltage drop across the fourth resistor?
A) 15V
B) 45VC) 75V
D) 120V
Answer: C
Explanation: A)
B)
C) Ea = E1 + E2 + E3 + E4 =
15V + 15V + 15V + X = 120V
45V + X = 120V
X = 120V - 45V = 75V
D)
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