Author Question: Which of the following measures is a perfect vacuum if absolute measurement is used? A) 0 in Hg ... (Read 47 times)

panfilo · **on:** Jul 24, 2018

Which of the following measures is a perfect vacuum if absolute measurement is used?

A) 0 in Hg absolute B) 29.92 in Hg absolute
C) 9.92 in Hg absolute D) 20 in Hg absolute

Question 2

What is the impedance of a single-phase inductive circuit having a voltage of 240 V and a current flow of 10 A?

A) 10 A/240 V = 0.042
impedance
B) 240 V/10 A = 24
impedance
C) 240 V 10 A = 2,400
impedance
D) Impedance cannot be calculated using only volts and amps.