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If the load impedance is Z∠Ø, the current (IR) is?
- a)(V/Z)∠-Ø
- b)(V/Z)∠Ø
- c)(V/Z)∠90-Ø
- d)(V/Z)∠-90+Ø
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
If the load impedance is Z∠Ø, the current (IR) is?a)(V/Z)&a...
As the load impedance is Z∠Ø, the current flows in the three load impedances and the current flowing in the R impedance is IR = VBR∠0⁰/Z∠Ø = (V/Z)∠-Ø.
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If the load impedance is Z∠Ø, the current (IR) is?a)(V/Z)&a...
Impedance and Current Relationship:
When the load impedance is given as Z∠θ, the current flowing through the circuit can be calculated using Ohm's Law.
Ohm's Law:
Ohm's Law states that the current (I) flowing through a circuit is equal to the voltage (V) divided by the impedance (Z) of the circuit. This can be represented as:
I = V/Z
Calculation:
Given that the load impedance is Z∠θ, and using Ohm's Law, the current (IR) can be calculated as:
IR = V/Z∠θ
Therefore, the correct answer is option 'A' - (V/Z)∠-θ. This represents the magnitude of the current and the phase angle with respect to the voltage source.
In summary, when the load impedance is given as Z∠θ, the current can be calculated by dividing the voltage by the impedance and representing it in polar form with the phase angle of -θ.
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