A sine wave of voltage varies from zero to a maximum of 400V. Voltage is ___ V at the instant of 30 deg of the cycle?

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter3: Static Electricity
Section: Chapter Questions
Problem 7RQ: A thundercloud has a negative charge, and an object on the ground has a positive charge. Will the...
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A sine wave of voltage varies from zero to a maximum of 400V. Voltage is ___ V at the instant of 30 deg of the cycle?

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