Answer to Question #32842 in Electric Circuits for Aaron Okievs.

Question #32842

A voltmeter connected across a 60Hz ac source reads 240V. Write down the expression of the instantaneous voltage as a function of time.

a. 240sin339.4t
b. 339.4sin377t
c. 377cos339.4t
d. 240cos339.4t

Expert's answer

Answer in progress...

Learn more about our help with Assignments: Electric Circuits

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. An air-cored transformer is assumed to be 100% efficient. The ratio of the secondary turns to the pr
2. A proton with speed v perpendicular to a magnetic field B is experiences a force F. if the speed of
3. A 1000-turns coil of cross-sectional area 30cm^2 rotates at a frequency of 120 Hz in a magnetic fiel
4. A magnetic field is applied to the plain of a flat coil of copper wire. The time variation of the ma
5. A 0.96H coil carries a current of 8.0A. Calculate the energy stored in it a. 30.7J b. 45.3J c. 62.6
6. A rod of 5.0m length is held horizontally and with its axis in an east-west direction. It is allowed
7. The strength of the field at a distance of one meter from a long straight wire carrying a current of