Solve the problem.The maximum number of volts, E, that can be placed across a resistor is given by the formula  where P is the number of watts of power that the resistor can absorb and R is the resistance of the resistor in ohms. Solve this equation for R. Use the result to determine the resistance of a resistor if P is  watts and E is 10 volts.

A. R = E2P2; 400 ohms
B. R = ; 400 ohms
C. R = E2P; 200 ohms
D. R = ; 200 ohms


Answer: D

Mathematics

You might also like to view...

Solve the inequality and draw a number line graph of the solution.4x - 6 ? 3x + 1

A. x < 4

B. x > 4

C. x ? 7

D. x ? 7

Mathematics

Find the point-slope equation for the line with the given properties.Slope = - ; line passes through the point (4, 5)

A. y - 5 = - (x - 4)
B. y - 5 = - (x + 4)
C. y - 5 = (x - 4)
D. y + 5 = - (x + 4)

Mathematics

Graph the inequality.x2 + 4y2 ? 16

A.

B.

C.

D.

Mathematics

Find the average rate of change for the function between the given values.f(x) = ; from 2 to 8

A. 2
B. 7
C.
D. - 

Mathematics