NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 43

EASY

12th ICSE

IMPORTANT

Earn 100

A $10 μF$ capacitor and a $1.0 H$ inductor are connected in series with an $AC$ source of frequency $50 Hz$ . Find the impedance of the circuit.

Important Questions on Alternating Current

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 44

A

200 km

long telegraph wire has a capacitance of

0.014 μF / km

. If it carries an

AC

of

5 kHz

, what should be the inductance required to be connected in series so that the impedance is minimum

?

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 45

An

AC

source of frequency

50 Hz

is connected to a

50 mH

inductor and a bulb. The bulb glows with some brightness. Calculate the capacitance of the capacitor to be connected in series with the circuit, so that the bulb glows with maximum brightness.

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 46

In an

L - C - R AC

circuit, the reactance of

L

and

C

are

160 Ω

and

130 Ω

respectively and

R

is

40 Ω

. Find the impedance of the circuit.

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 47

In the given $L - C - R$ series circuit fed by $220 V - 50 Hz AC$ mains, find current in the circuit.

Question Image

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 47

In the given $L - C - R$ series circuit fed by $220 V - 50 Hz AC$ , find the value of inductor $L$ .

Question Image

MEDIUM

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 47

In the given $L - C - R$ series circuit fed by $220 V - 50 Hz AC$ . Find the value of capacitor $C$ .

Question Image

MEDIUM

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 47

In the given $L - C - R$ series circuit fed by $220 V - 50 Hz AC$ . Find the value of $C$ required to produce resonance. The voltmeter readings across $R, L$ and $C$ are as shown. $L$ is given $1 H$ .