You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard XII

Physics

RLC Circuit

In an LCR ser...

Question

In an LCR series circuit, the rms voltages across R, L and C are found to be 10 V, 10 V and 20 V respectively. The rms voltage across the entire combination is

30 V

No worries! We‘ve got your back. Try BYJU‘S free classes today!

μ

No worries! We‘ve got your back. Try BYJU‘S free classes today!

20V

No worries! We‘ve got your back. Try BYJU‘S free classes today!

10 \sqrt{2} V

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is C $10 \sqrt{2} V$
$V_{r m s} = \sqrt{V_{R}^{2} + (V_{L} - V_{C})^{2}}$
$= \sqrt{10^{2} + 10^{2}}$
$= 10 \sqrt{2} V$

Suggest Corrections

Similar questions

Q. When the rms voltages

V_{L}, V_{C}

and

V_{R}

are measured respectively across the inductor L, the capacitor C and the resistor R in a series LCR circuit connected to an AC source, it is found that the ratio

V_{L} : V_{C} : V_{R} = 1 : 2 : 3

. If the rms voltage of the AC source is 100 V, then

V_{R}

is close to :

Q. In an

L C R

series

a . c

. circuit, the voltage across each of the components,

L, C

and

R

50 V

. The voltage across the

L C

combination will be

In a series resonant circuit the ac voltages across R, inductance L and capacitance C are 5V, 10 V and 10V respectively. The ac voltage applied to the circuit will be:

In an LCR series a.c. circuit, the voltage across each of the components, L, C and R is 50 V. The voltage across the LC combination will be

Q. In a series resonant circuit, the AC voltage across resistance R, inductor L and capacitor C are 5 V, 10 V and 10 V respectively. The AC voltage applied to the circuit will be

Join BYJU'S Learning Program

In an LCR series circuit, the rms voltages across R, L and C are found to be 10 V, 10 V and 20 V respectively. The rms voltage across the entire combination is

The correct option is C 10√2VVrms=√V2R+(VL−VC)2 =√102+102 =10√2V

The correct option is C $10 \sqrt{2} V$
$V_{r m s} = \sqrt{V_{R}^{2} + (V_{L} - V_{C})^{2}}$
$= \sqrt{10^{2} + 10^{2}}$
$= 10 \sqrt{2} V$