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The phase difference between the alternating current and e.m.f. is π/2. Which of the following can not be the constituent of the circuit?
- a)L,C
- b)R,L
- c)C alone
- d)L alone
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
The phase difference between the alternating current and e.m.f. is &pi...
R and L cause phase difference to lie between 0 and π/2 but never 0 and π/2 at extremities.
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Most Upvoted Answer
The phase difference between the alternating current and e.m.f. is &pi...
Ya it's 'B' is the correct answer...
Explanation:
R and L phase difference lies between 0 and. π/2 but never equal to 0 and π/2....
Explanation:
R and L phase difference lies between 0 and. π/2 but never equal to 0 and π/2....
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The phase difference between the alternating current and e.m.f. is &pi...
Determined by the type of circuit and the components present. In a purely resistive circuit, the phase difference between the alternating current (AC) and the electromotive force (EMF) is zero, meaning they are in phase with each other. This is because in a resistive circuit, the voltage and current are both sinusoidal and reach their maximum and minimum values at the same time.
In an inductive circuit, where an inductor is present, the phase difference between AC and EMF is 90 degrees. This means that the current lags behind the voltage by 90 degrees. This is because in an inductive circuit, the inductor opposes changes in current and in doing so, stores energy in its magnetic field. As a result, the current takes time to build up, causing it to lag behind the voltage.
In a capacitive circuit, where a capacitor is present, the phase difference between AC and EMF is also 90 degrees. However, in this case, the current leads the voltage by 90 degrees. This is because in a capacitive circuit, the capacitor stores energy in its electric field and releases it when the voltage is lower. As a result, the current leads the voltage as it charges and discharges the capacitor.
Overall, the phase difference between AC and EMF can vary depending on the circuit components and their properties. It can be zero in a purely resistive circuit, and 90 degrees in an inductive or capacitive circuit.
In an inductive circuit, where an inductor is present, the phase difference between AC and EMF is 90 degrees. This means that the current lags behind the voltage by 90 degrees. This is because in an inductive circuit, the inductor opposes changes in current and in doing so, stores energy in its magnetic field. As a result, the current takes time to build up, causing it to lag behind the voltage.
In a capacitive circuit, where a capacitor is present, the phase difference between AC and EMF is also 90 degrees. However, in this case, the current leads the voltage by 90 degrees. This is because in a capacitive circuit, the capacitor stores energy in its electric field and releases it when the voltage is lower. As a result, the current leads the voltage as it charges and discharges the capacitor.
Overall, the phase difference between AC and EMF can vary depending on the circuit components and their properties. It can be zero in a purely resistive circuit, and 90 degrees in an inductive or capacitive circuit.
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