Solve.For a resistor in a direct current circuit that does not vary its resistance, the power that a resistor must dissipate is directly proportional to the square of the voltage across the resistor. The resistor must dissipate 
watt of power when the voltage across the resistor is 10 volts. Find the power that the resistor must dissipate when the voltage across it is 20 volts.
A. 
watt
B. 
watt
C. 
watts
D. 
watt
Answer: A
Mathematics
You might also like to view...
Find Pk+1 from the given statement Pk.Pk: (5 + k)(5 - k) = 25 - k2
A. Pk+1: (6 + k)(4 - k) = 25 - (k + 1)2 B. Pk+1: (6 + k)(6 - k) = 25 - (k + 1)2 C. Pk+1: (6 + k)(6 - k) = 26 - (k + 1)2 D. Pk+1: (6 + k)(4 - k) = 26 - k2
Mathematics
Write as a decimal number rounded as indicated.
; Round to the nearest tenth.
A. 3.1 B. 0.2 C. 4.1 D. 4.14
Mathematics
Find the center, vertices, and foci of the ellipse with the given equation.7x2 + 5y2 = 35
A. Center: (0, 0); Vertices: 
, 
; Foci: 
, 
B. Center: (0, 0); Vertices: 
, 
; Foci: 
, 
C. Center: (0, 0); Vertices: 
, 
; Foci: 
, 
D. Center: (0, 0); Vertices: 
, 
; Foci: 
, 
Mathematics
Graph.y ? 
A. 
B. 
C. 
D. 
Mathematics