A transformer with a turns ratio of 20:1 is used to step down 120vac, what is the peak voltage in the secondary?
A. 6.00 V
B. 7.33 V
C. 170 V
D. 8.50 V
D. 8.50 V
Physics & Space Science
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The maria are really seas of long since hardened ________, a dark volcanic rock that also makes up the ocean basins of Earth
Fill in the blank(s) with correct word
Physics & Space Science
Which is lightest in weight?
A) oxygen atom B) water molecule C) electron D) hydrogen atom E) proton
Physics & Space Science
Huygen's Principle only applies to
A. electromagnetic waves. B. water waves. C. sound waves. D. all of these choices are correct
Physics & Space Science
A 0.150-kg cart that is attached to an ideal spring with a spring constant of 3.58 N/m undergoes simple harmonic oscillations with an amplitude of 7.50 cm. What is the total mechanical energy of the system?
A) 0.0201 J B) 0.0101 J C) 0.269 J D) 0.134 J E) 0 J
Physics & Space Science