Answer :
a)6.8 + j8.2 ohms=10.65(50.33 deg) ohms
b)12-j6 ohms=13.41(-26.57 deg) ohms
c)6.6+j10 kohms=11.98(56.575 deg) ohms
RECTANGULAR FORMS
a) 6.8+j8.2 ohm
b)12-j6 ohm
c) 6.6+j10 kohm
POLAR FORMS
a) 10.65 angle 50.332 deg
b) 13.416 angle -26.565 deg
c) 11.982 angle 56.575 deg
Impedance, sometimes referred to as a "AC circuit," is the resistance to electricity passing through a circuit that uses an alternating current. Impedance, which is measured in Ohms, is the result of the combined action of the circuit's current-limiting elements, such as Resistance (R), Inductance (L), and Capacitance (C) (C).
The resistance to current flow in a Direct Current (DC) circuit is known as impedance, but in an AC circuit, impedance is the consequence of both the resistive (R) and reactive (X) components of the circuit. A DC circuit's electrical resistance is indicated by the letter "R," but an alternating AC circuit's resistance to current flow is indicated by the letter or symbol "Z."
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