Author Question: 100 kW is transmitted down a 6- line at 1000 V. How much less power would be lost if the power were ... (Read 102 times)

sc00by25 · **on:** Jul 29, 2018

100 kW is transmitted down a 6- line at 1000 V. How much less power would be lost if the power were transmitted at 3000 V instead of at 1000 V?

A)

1.0 kW
B)

10 kW
C)

30 kW
D)

45 kV
E)

53 kW

Question 2

An electron moving perpendicular to a magnetic field of 3.2 10-2 T moves in a circle of radius 0.40 cm. How fast is this electron moving?

A)

2.3 107 m/s
B)

1.9 10-53 m/s
C)

1.9 10-30 m/s
D)

3.0 109 m/s
E)

0.80 107 m/s