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Course: Electromagnetism (Essentials) - Class 12th > Unit 13

Lesson 2: An easy way to visualise current and voltages
Science
Electromagnetism (Essentials) - Class 12th
How radios and cellphones catch signals from air?
An easy way to visualise current and voltages
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Understanding phasor diagrams - i

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Problem

A phasor diagram is shown below.
The length of the vertical component of the vector is y. The angle made by the vector with the horizontal is K.
The phasor represents the variation of a physical quantity with time.
What is the maximum value of this physical quantity?
Choose 1 answer: