An ideal transformer steps down 120. volts to 12. volts and the 2630. turn secondary supplies 12. Amperes

(a) Determine the current in the primary.
(b) Determine the turns ratio.
(c) What is the ratio of output power to input power?


(a) 1.2 A
(b) 1.0:10.
(c) 1:1 for ideal transformer

Physics & Space Science

You might also like to view...

The speed of sound in air is dependent upon the air temperature and other factors. The speed of sound increases from 334 m/s to 341 m/s between 8:00am and 11:00am. If a horn produces sound with wavelength 0.75 m at 8:00am, what would it produce at 11:00am?

A. 73 cm B. 77 cm C. Not enough info given to solve. D. 75 cm

Physics & Space Science

The most abundant component of the atmospheres of Uranus and Neptune is

A) hydrogen. B) helium. C) methane. D) ammonia. E) nitrogen.

Physics & Space Science

Telescopes being planned for the study of the earliest stages in galactic lives will be optimized for observations in

A) visible light. B) infrared light. C) radio waves. D) X-rays.

Physics & Space Science

What are the latitude and longitude of a place on Earth directly opposite Columbia, South Carolina, which is at 81°W, 34°N?

Physics & Space Science