21i is the voltage, v.
What is meant by voltage V?
- Voltage is the pressure from an electrical circuit's power source that pushes charged electrons (current) through a conducting loop, enabling them to do work such as illuminating a light.
- In brief, voltage = pressure, and it is measured in volts (V).
Given,
V = I×Z
I = 3i
Z = 7i
Voltage (V)
V = I × Z
V = 3i × 7i
V= 21i
Hence, the Voltage is 21i.
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