Multiple Choice
The spacing between the parallel power lines is affected by
A) current-carrying capacities of wires.
B) electrical insulation.
C) the wing span of birds in the vicinity.
D) none of the above
Correct Answer:
Verified
Correct Answer:
Verified
Q14: The high voltage that is important in
Q15: Electromagnetism unites<br>A)electricity and magnetism.<br>B)electric and gravitational fields.<br>C)physics
Q16: The principle difference between a step-up and
Q17: Power is transmitted at high voltages because
Q18: The secondary of a transformer is the
Q20: When a bar magnet is thrust into
Q21: A turbogenerator produces<br>A)energy.<br>B)power.<br>C)neither, but transforms energy from
Q22: Induced electric and magnetic fields result in<br>A)electromagnetic
Q23: Magnetic field strength inside a current-carrying coil
Q24: The primary of a transformer is the