Series resistance needs a low-resistance source for sharp rise in current
Series resonance needs a high-resistance source for sharp increase in current
Parallel resonance needs a low-resistance source for a sharp increase in impedance
Parallel resonance needs a low-resistance source for a sharp rise in line current
Answer is Right!
Answer is Wrong!
The correct answer is: C. Parallel resonance needs a low-resistance source for a sharp increase in impedance.
In a parallel resonance circuit, the inductive reactance and capacitive reactance cancel each other out, leaving only the resistance in the circuit. This means that the impedance of the circuit is at its minimum value at resonance.
If the source resistance is low, then the current through the circuit will be high at resonance. This is because the low source resistance means that there is little opposition to the flow of current.
The other options are incorrect because:
- Option A is incorrect because series resonance occurs when the inductive reactance and capacitive reactance are equal in magnitude but opposite in sign. This means that the current through the circuit is at its maximum value at resonance.
- Option B is incorrect because series resonance occurs when the inductive reactance and capacitive reactance are equal in magnitude but opposite in sign. This means that the current through the circuit is at its maximum value at resonance.
- Option D is incorrect because parallel resonance occurs when the inductive reactance and capacitive reactance cancel each other out, leaving only the resistance in the circuit. This means that the impedance of the circuit is at its minimum value at resonance.