Multiple Choice
High-voltage wires in power lines are not high-current wires because the current in them is
A) not the same as the current that powers the distant load.
B) proportional to the voltage drop from beginning to end of each line, rather low.
C) both of these
D) neither of these
Correct Answer:

Verified
Correct Answer:
Verified
Q1: The voltage induced in self-inductions is<br>A)always in
Q2: A principle difference between an MHD generator
Q4: A transformer actually transforms<br>A)voltage.<br>B)magnetic field lines.<br>C)generators into
Q5: A step-up transformer steps up voltage by
Q6: A certain transformer doubles input voltage. If
Q7: Voltage can be induced in a wire
Q8: In the field induction credited to Maxwell,
Q9: An efficient step-down transformer decreases<br>A)power.<br>B)energy.<br>C)both of these<br>D)neither
Q10: To reduce the danger of self-induction<br>A)simply pull
Q11: An efficient step-up transformer boosts<br>A)energy.<br>B)power.<br>C)voltage.<br>D)all of the