16,650
The LCM of 75, 120, and 315 is 12,600.
Highest common factor of 500 and 450 is 50.
90, 180, 270, 360, 450, 540, 630, 720, 810, 900 +90 . . .
Multiples of 45 in that range include 405, 450, 495, 540, 585, 630, 675, 720, 765, 810, 855 and 900
630 - 180 = 450
The LCM is 1800.
The LCM is 9000.
16,650
90, 180, 270, 360, 450, 540, 630, . . .
90, 180, 270, 360, 450, 540, 630 and so on.
First find the current, I = W/E, 450/120 = 3.75 amps. R = E/I, 120/3.75 = 32 ohms.
9000
90, 180, 270, 360, 450, 540, 630 . . .
90, 180, 270, 360, 450, 540, 630, 720 +90 . . .
90, 180, 270, 360, 450, 540, 630 +90 . . .
3 3/4 x 120 = 450