The primary winding of an electric train transformer has 400 turns and the secondary has 50 . If the input voltage is 120V(rms) what is the output voltage?
a. 15 V (rms)
b. 30 V (rms)
c. 60 V (rms)
d. 2.4 V (rms)
e. 960 V (rms)
a
You might also like to view...
A 2.00 kg pendulum bob on a string 1.50 m long, is released with a velocity of 4.00 m/s when the support string makes an angle of 30.0 degrees with the vertical. What is the angle with the vertical the bob makes at the highest point of its motion?
A. 85.3 degrees B. 71.2 degrees C. 60.3 degrees D. 56.7 degrees E. 45.0 degrees
When a rigid body rotates about a fixed axis, all the points in the body have the same
A) tangential speed. B) angular acceleration. C) tangential acceleration. D) linear displacement. E) centripetal acceleration.
Why didn't the Big Bang produce many heavier elements than helium?
What will be an ideal response?
Mercury orbits the sun about once every 80 days. Mercury is observed to keep the same side facing the sun at all times. If Mercury had oceans, how much time would elapse between its high tides
A. there would be no tides B. 40 days C. 80 days D. 160 days