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Questions and Answers
What happens to the impedance of an LCR circuit at resonance?
What happens to the impedance of an LCR circuit at resonance?
- It reaches its minimum value (correct)
- It remains constant
- It reaches its maximum value
- It becomes zero
What is the definition of electric field intensity?
What is the definition of electric field intensity?
- The resistance of a material to the flow of electric current
- The amount of charge contained within an electric field
- The potential difference between two points in an electric field
- The force experienced by a unit positive charge at a point in the electric field (correct)
In an LCR circuit, what effect does increasing the capacitance have on the resonant frequency?
In an LCR circuit, what effect does increasing the capacitance have on the resonant frequency?
- It increases the resonant frequency
- It makes the resonant frequency zero
- It has no effect on the resonant frequency
- It decreases the resonant frequency (correct)
How is the direction of an electric field defined?
How is the direction of an electric field defined?
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What happens to the phase difference between the current and voltage in an LCR circuit at resonance?
What happens to the phase difference between the current and voltage in an LCR circuit at resonance?
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