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What detrimental effect does inductance have on the current in an alternating current circuit?
Wiki User
∙ 10y ago
In inductive circuits the current phase lags behind the voltage phase. The phase difference between current and voltage can mean you can get heavy currents flowing that aren't doing useful work, yet contribute to wasted power if they flow in other parts of the circuit (or even in surrounding metal screens etc) . In some circuits, such as tuned circuits, inductance is an important feature so resistive components have to be avoided there.
Wiki User
∙ 10y ago
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The opposition to the flow of electrical current?
In a DC circuit . . . resistance. In an AC circuit . . . impedance.
When an alternating voltage is applied to purely resistive circuit what happens?
When an alternating voltage is applied to a purely resistive circuit, the resulting current is in phase with the voltage.
A auto transformer has what kind of induction?
self-induction."According to Lenz's law,[6]a changing electric current through a circuit that contains inductance, induces a proportional voltage, which opposes the change in current (self-inductance). The varying field in this circuit may also induce an e.m.f. in neighbouring circuits (mutual inductance)." - Wikipedia
What role does the inductance play if the current increaces in a AC circuit?
i BELIEVE THAT THAT THE CHANGE IN CURRENT WITH THE ACKNOWLEDGEMENT TO TIME wHICH THE FORMULA= VL=is used
The total opposition to an alternating current presented by a circuit is called a?
impedance
What detrimental effects does inductance have on the current in an alternating current?
In inductive circuits the current phase lags behind the voltage phase. The phase difference between current and voltage can mean you can get heavy currents flowing that aren't doing useful work, yet contribute to wasted power if they flow in other parts of the circuit (or even in surrounding metal screens etc) . In some circuits, such as tuned circuits, inductance is an important feature so resistive components have to be avoided there.
What will be the voltage in an inductance reactance circuit?
The voltage across the inductance alone will be(value of the inductance) times (the rate at which the current through it changes)
What is alternating current normally produced by?
Alternating current is normally produced by rotating the magnet in the coil of an induced alternating voltage. When connected to a circuit, an alternating current will flow.
What is oscillatory discharge?
Alternating current of gradually decreasing amplitude which, under certain conditions, flows through a circuit containing inductance, capacitance, and resistance when a voltage is applied is known as Oscillatory discharge.
What is the role of inductance in lcr circuit?
oppose changes in current flow.
Can you apply law of ohm in alternating current and voltage?
Yes, but you need to convert inductance and capacitance to reactance.
In a pure inductance circuit the current lags the voltage by what degree?
90 degrees
When current increases in an ac circuit what roll dose inductance play?
Inductance has no effect on the total current ... effective, RMS, amplitude, etc. ... in an AC circuit. It only affects the phase difference (angle) between the voltage wiggles and the current wiggles.
What happens if current flows through 2 parallel current in the same direction?
With the possible exception of some circuits that have inductance and capacitance in parallel and are excited by a pulse or an alternating voltage, the currents in two parallel branches of a circuit are ALWAYS in the same direction.
What is it mean to say that an alternating current leads or lags an alternating emf?
It is another way of saying that the circuit is capacitive reactive circuit. Look up the mnemonic ELI the ICE man. ELI, voltage leads the current in an inductive circuit. ICE, current leads the voltage in a capacitive circuit.
What is the change in current when frequency changes from 8 khz to 400hz?
That depends on the circuit. For a pure resistive circuit (no inductance and capacitance), the frequency will have no effect on the current.
The opposition to the flow of electrical current?
In a DC circuit . . . resistance. In an AC circuit . . . impedance.
