The illustration below is a schematic diagram of a resistor connected to a voltage source of 40 volts. As a result, the resistor dissipates power in the form of heat. The power P lost when a voltage V is placed across a resistance R is given by the formula If P is 8 watts and E is 40 volts, find R .
A) R = 200 ohms
B) R = 300 ohms
C) R = 250 ohms
D) R = 180 ohms

Question

The illustration below is a schematic diagram of a resistor connected to a voltage source of 40 volts. As a result, the resistor dissipates power in the form of heat. The power P lost when a voltage V is placed across a resistance R is given by the formula  If P is 8 watts and E is 40 volts, find R .
A) R = 200 ohms 
B) R = 300 ohms 
C) R = 250 ohms 
D) R = 180 ohms

Quizplus · Accepted Answer

The Answer is A

The Illustration Below Is a Schematic Diagram of a Resistor