Math Problem Statement
Four resistors A, B, C and D are connected in series. The resistor A, C and D are 43, 37 and
56 ohms. The voltage in resistor B is 18V and the voltage to the system is 120 V. Determine:
a. The resistance of B
b. Equivalent resistance of the circuit
c. Voltage in resistor A, C, and D
d. The total power
e. The power in each resistor.
Solution
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Math Problem Analysis
Mathematical Concepts
Ohm's Law
Series Circuits
Power Calculation
Formulas
V = IR (Ohm's Law)
R_eq = R_A + R_B + R_C + R_D (Equivalent Resistance for Series Circuits)
P = IV (Power Calculation)
Theorems
Ohm's Law
Series Circuit Theorem
Suitable Grade Level
Grades 10-12
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