Embibe Experts Solutions for Chapter: Alternating Current, Exercise 1: Exercise
Embibe Experts Physics Solutions for Exercise - Embibe Experts Solutions for Chapter: Alternating Current, Exercise 1: Exercise
Attempt the practice questions on Chapter 7: Alternating Current, Exercise 1: Exercise with hints and solutions to strengthen your understanding. Physics Crash Course (Based on Revised Syllabus-2023) solutions are prepared by Experienced Embibe Experts.
Questions from Embibe Experts Solutions for Chapter: Alternating Current, Exercise 1: Exercise with Hints & Solutions
At resonance what is the value of power factor in the case of series circuit?
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A bulb of resistance , connected to an inductor of inductance , is in series with an ac source marked , . If the phase angle between the voltage and angle is , calculate the value of .
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The emf and current of an a.c circuit containing are given by . Show that the average power of the circuit is , where and stand for virtual emf and virtual current respectively.
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A charged capacitor is connected across an inductor with a wire having practically no resistance. Show that the discharge of the capacitor is oscillatory. Find the frequency of oscillations.
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A bulb and a capacitor are connected in series to a source of alternating current. What will happen on increasing the frequency of the current?
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Sketch a graph to show how the reactance of
a capacitor varies as a function of frequency.
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How much power is consumed in a purely capacitive, A.C. circuit?
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How much reactance is provided by a capacitor in a steady DC circuit?
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