Distinguish between resistance, reactance and impedance.
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Yogita Ingle 5 years, 11 months ago
Resistance
Impedance
It is used in DC circuits
It is used in AC circuits
Resistance can be seen in both AC and DC circuits
Impedance can be seen only in AC circuits
It happens due to resistive elements
It happens due to reactance and resistance
It is represented by letter R
It is represented by letter Z
It is represented using real numbers such as 5.3 ohms
It is represented using real and imaginary values such as R + ik
It does not vary depending upon the frequency of DC current
It varies according to the frequency of AC current.
It does not have a magnitude and phase angle
It does have a phase angle and magnitude
If kept in a electromagnetic field, it only shows the power dissipation
If kept in a electromagnetic field, it shows power dissipation and energy stored
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