Solve.Two resistors are wired in parallel, one of which is 90 ohms. If the total resistance is to be 40 ohms, what must be the value of the other resistor? Use the formula for the total resistance R in an electrical circuit with resistors R1, R2, R3, ..., Rn that are wired in parallel. 
= 
+ 
+ 
+ ... +
src="https://sciemce.com/media/4/ppg__2720711191121__f1q76g5.jpg" style="vertical-align: -21.0px;" />
A. 50 ohms
B. 27.7 ohms
C. 130 ohms
D. 72 ohms
Answer: D
Mathematics
src="https://sciemce.com/media/4/ppg__2720711191121__f1q76g5.jpg" style="vertical-align: -21.0px;" />
A. 50 ohms
B. 27.7 ohms
C. 130 ohms
D. 72 ohms
Answer: D
Mathematics
You might also like to view...
Find the volume of the indicated region.the region that lies under the plane 
and over the triangle with vertices at 
, 
, and 
A. 6
B. 
C. 12
D. 
Mathematics
Find the standard equation of the indicated hyperbola.Vertices at (0, ±3), foci at (0, ±10)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Solve the equation.5(x - 8) = 0
A. -5 B. -8 C. 5 D. 8
Mathematics
Find the missing number, if possible. There may be more than one number that works, so find as many as possible. If no number works, write "No number possible."
= 0
A. 0 B. -1 C. 1 D. No number possible.
Mathematics