Solve. -The Voltage Across a Resistor Is Jointly Proportional to the the Resistance

question 274

Multiple Choice

Solve.
-The voltage across a resistor is jointly proportional to the resistance of the resistor and the current flowing through the resistor. If the voltage across a resistor is 21 volts for a resistor whose resistance is 3 ohms and when
The current flowing through the resistor is 7 amperes, find the voltage across a resistor whose resistance is
2 ohms and when the current flowing through the resistor is 4 amperes.

• A) 12 volts
• B) 28 volts
• C) 8 volts
• D) 14 volts

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