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For resonance to occur in an electrical circuit with a reactive element, the reactive element's reactance needs to be equal and opposite to the circuit's impedance. This occurs when the capacitive and inductive reactances cancel out, resulting in a net impedance that is purely resistive. At this point, maximum current flows through the circuit, enhancing certain frequencies.
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What is reactive volt amps?
volt ampere reactive is the unit of reactive power.It is the power which does no useful work but is required to assist in performing work,such as setting up magnetic fields in motors and transformers.It is also called as imaginary power.It occurs in purely reactive circuit i.e. purely inductive or capacitive.The inductance absorbs the reactive power and capacitance injects the reactive power.In inductance,reactive power is utilised to develop the flux while in the capacitance,the reactive power's function is to store the charge.
What best describes the condition that occurs when bare wires in an electrical circuit accidentally touch causing more current to flow than the circuit can safely carry it will cause a fuse or circiut?
The condition described is a short circuit. A short circuit occurs when bare wires in an electrical circuit make unintended contact, creating a path of low resistance that allows excessive current to flow. This can cause a fuse to blow or a circuit breaker to trip in order to prevent damage or fire.
What is the condition that limits the flow of electrons in an electric circuit is called?
The condition that limits the flow of electrons in an electric circuit is called resistance. Resistance is measured in ohms and is caused by factors such as the material of the conductor, its length, and its cross-sectional area.
What is watt less power?
"Wattless power" refers to the reactive power in an electrical circuit that does not perform useful work, such as magnetizing a motor or generating a magnetic field. It is measured in units of volt-amperes reactive (VAR) and is necessary for maintaining voltage levels in the grid but does not contribute to real power consumption.
Does mcb trip if a short circuit occurs?
Yes, a breaker will trip if there is a short circuit occurring on the breaker's connected load. The breaker will also trip on an overload condition when the current rises above the breakers trip set point.
Condition of resonance in RLC circuit?
XL=Xc is the resonance condition for an RLC circuit
Give the derivation of Single tuned and double-tuned circuit?
The circuit has one inductor and capacitor connected in such a way that it produce the resonance condition for only one frequency. on the other hand for double tuned circuit it has more number of reactive elements and it has two tuning frequency. The single tuned circuit is of interest when the poles are imaginary, and rest of the two cases are not more interest. w=wn the time it produce the resonance and the damping factor zeta is zero and the circuit is in undamped condition.
Why does a series resonant circuit cannot be tank circuit?
A series resonant circuit has it's reactive components connected in series with each other; while the reactive components, as in a "tank" circuit, are connected in parallel with each other. The resonant series circuit has the capability of producing usable increased voltage levels across each component at resonance, while the resonant tank circuit does not. The resonant parallel, or "tank" circuit; has the dual capability of creating a situation whereby the input amperage level is reduced to minimum while, at the same time, a maximum amount of circulating amperage is created between the two reactive tank components at resonance.
Inductive reactance is equal to capacitive reactance?
yes,they are equal at only one condition i.e. when the circuit containing R,L and C in series or in parallel behave as a purely resistive circuit. This condition occur only at resonance.
When the circuit is said to be in resonance?
For a particular frequency if the current or the voltage of the circuit is Maximum or Minimum then that circuit is said to be in resonance .
For a series rlc resonant circuit explain what is meant by series resonance and what effect it has on a circuit?
What is meant by resonance and explain the series and parallel resonance? by kathiresan
What is the purpose of resonance circuit?
Resonance describes a 'condition' rather than a 'purpose', but it is made use of in (for example) radio circuits, in order to tune the radio to a particular frequency (the resonant frequency of the signal).
What is Power factor of series RLC circuit under resonance?
The power factor of an RLC circuit under resonance is 1. Explaination:- Power factor of an RLC circiut is given by=R/|Z| For a resonant circiut,|Z|=R (Because reactive components are zero in resonance) . . .Power factor=R/R=1.
Why LC parallel resonance circuit has maximum impedance?
An LC parallel resonance circuit exhibits maximum impedance because at the resonance frequency, the inductive and capacitive reactances cancel each other out. This occurs when the frequency of the input signal matches the natural frequency of the circuit, leading to a condition where the total impedance is dominated by the resistive components. As a result, the circuit presents a high impedance to the source, minimizing current flow. This characteristic is fundamental in applications such as tuning and filtering in electronic circuits.
Why series resonance is called voltage resonance?
Series resonance is called voltage resonance because at resonance frequency in a series RLC circuit, the impedance of the inductor and capacitor cancel each other out, resulting in minimum impedance. This causes the total voltage across the circuit to be maximized, leading to a peak in voltage across the components at resonance. This phenomenon is known as voltage resonance because it results in a maximum voltage across the circuit at that specific frequency.
When does resonance occurs in an AC circuit?
XL=XC
What is the condition for LCR circuit?
In an LCR circuit, which consists of an inductor (L), capacitor (C), and resistor (R) in series or parallel, the condition for resonance occurs when the inductive reactance (XL) equals the capacitive reactance (XC). This can be mathematically expressed as (XL = XC), or (\omega L = \frac{1}{\omega C}), where (\omega) is the angular frequency. At resonance, the circuit exhibits maximum current and minimal impedance, resulting in a peak response at a specific frequency known as the resonant frequency.
