EASY
12th ICSE
IMPORTANT
Earn 100

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?

Important Questions on Alternating Current

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.
HARD
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 for the circuit (iv) the rate of dissipation of heat.
MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 61
A 200 V 50 Hz source of alternating potential is connected to the resistance of 50 Ω. Calculate : (i) the RMS value of current in the circuit.
MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 61
A 200 V 50 Hz source of alternating potential is connected to the resistance of 50 Ω. Calculate: (ii) phase difference between voltage and current.
MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 61

A 200 V 50 Hz source of alternating potential is connected to the resistance of 50 Ω. Calculate

(iii) average power consumed in the circuit.

MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 62
In an AC circuit, R=40 Ω, Z=50 Ω, Vrms=200 V Calculate the average power consumed over a full cycle.