MEDIUM
12th ICSE
IMPORTANT
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A 2 μF capacitor, 100 Ω resistor and 8 H inductor are connected in series with an AC source. What should be the frequency of this source for which the current drawn in the circuit is maximum? If the peak value of emf of the source is 200 V find for maximum current total impedance of the circuit.

Important Questions on Alternating Current

MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 57
A 2 μF capacitor, 100 Ω resistor and 8 H inductor are connected in series with an AC source. What should be the frequency of this source for which the current drawn in the circuit is maximum? If the peak value of emf of the source is 200 V find for maximum current peak current in the circuit.
MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 57
A 2 μF capacitor, 100 Ω resistor and 8 H inductor are connected in series with an AC source. What should be the frequency of this source for which the current drawn in the circuit is maximum? If the peak value of emf of the source is 200 V. Find for maximum current phase relation between voltages across inductor and resistor.
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 57
A 2 μF capacitor, 100 Ω resistor and 8 H inductor are connected in series with an AC source. What should be the frequency of this source for which the current drawn in the circuit is maximum? If the peak value of emf of the source is 200 V. Find phase difference between voltages across inductor and capacitor for maximum current.
MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 58
A capacitor, a resistor of 5 Ω an inductor of 50 mH are in series with an AC source marked 100 V, 50 Hz. It is found that voltage is in phase with the current. Calculate the capacitance of the capacitor and impedance of the circuit. π=3.14
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 59
Find the resonant angular frequency of a series L-C-R circuit with L=2.0 H, C=32 μF and R=10 Ω What is the Q-value of this circuit?
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 60
A 1.9 H inductor, a 100 μF capacitor and a 25 Ω resistor are connected in series to an AC source of emf given by V=282 sin 100 t volt. Find the net reactance of the circuit.
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 60
A 1.9 H inductor, a 100 μF capacitor and a 25 Ω resistor are connected in series to an AC source of emf given by V=282 sin 100 t volt. Find the impedance of the circuit.
MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 60
A 1.9 H inductor, a 100 μF capacitor and a 25 Ω resistor are connected in series to an AC source of emf given by V=282 sin 100 t volt.. Find the rms current in the circuit.