Multiple Choice
A step-up transformer steps up voltage by ten times. If voltage input is 120 volts, voltage output is
A) 60 V.
B) 120 V.
C) 1200 V.
D) 12000 V.
E) none of the above
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
Q3: High-voltage wires in power lines are not
Q4: A transformer actually transforms<br>A)voltage.<br>B)magnetic field lines.<br>C)generators into
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