# What is resonance in electricity?

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What is resonance in electricity?

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Which of the following is true at resonance in LC circuits? A) The series impedance of the two elements is at a maximum and the parallel impedance is at minimum B) The series impedance of the two elements is at a maximum and the parallel impedance is also at maximum C) The series impedance of the two elements is at a minimum and the parallel impedance is also at minimum D) The series impedance of the two elements is at a minimum and the parallel impedance is at maximum

The power factor at resonance in R-L- C parallel circuit is?

Which source is best suited for electricity generation in a remote rural area? (A) Nuclear Power plant (B) Solar farm (C) Wind farm (D) Biomass

Minimum wind speed required for generating electricity in a wind mill is  (a) 15 m/hour (b) 1 km/hour (c) 15 km/hour (d) None of the above

Is electricity generated in AC or DC?

Is it AC or DC electricity in the home?

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Why a parallel resonant circuit is called Rejector circuit?

In a series RLC circuit at resonance, the magnitude of the voltage developed across the capacitor  A) Is always zero B) Can never be greater than the input voltage C) Can be greater than the input voltage, however, it is 90° out of phase with the input voltage D) Can be greater than the input voltage, and is in phase with the input voltage

In parallel RLC resonance circuit at resonance the current will be  (1) Minimum (2) Maximum (3) Zero (4) Infinite

In a series RLC circuit at resonance, which of the following quantities attains maximum value ? (A) Current (B) Voltage (C) Power (D) None of the above

in Series LCR circuit, at resonance:  (1) Current is maximum and power factor is zero (2) Current is maximum and power factor is unity (3) Current is minimum and power factor is unity (4) None of these

Resonance occurs in RLC series circuit when  A) When the supply voltage and current are in phase B) When inductive reactance become equal to capacitive reactance C) When voltage across the inductor become equal to the voltage across the capacitor D) All of the above

The series and parallel resonance on L-C circuit differs in that?

A parallel AC. circuit in resonance will?

In R-L-C series resonant circuit magnitude of resonance frequency can be changed by changing the value of?

Magnitude of current at resonance in R-L-C circuit?

Which of the following statements is incorrect? A) During parallel resonance impedance at resonance is minimum B) During parallel resonance current is magnified C) During series resonance current at resonance is maximum D) During series as well as parallel resonance, the power factor is unity

A network is said to be under resonance when the voltage and the current at the network input terminals are (A) in phase (B) out of phase (C) in phase quadrature (D) in phase, and have equal magnitudes