Home
Class 12
PHYSICS
Reactance of a capacitor of capacitance ...

Reactance of a capacitor of capacitance `1//pi` farad at 50 Hz is

A

`100 Omega `

B

`10 Omega `

C

`50 Omega `

D

`10^(-2) Omega `

Text Solution

Verified by Experts

The correct Answer is:
D
`X_C = (1)/(omega C) = (1)/(2pi v C) = (1)/(2pi (50) xx 1/pi) = 10^(-2) Omega `
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENTS

    MTG GUIDE|Exercise NEET CAFE TOPICWISE PRATICE QUESTIONS (LC OSCILLATIONS)|35 Videos

  • ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENTS

    MTG GUIDE|Exercise NEET CAFE TOPICWISE PRATICE QUESTIONS (SERIES LR AND CR CIRCUITS)|1 Videos

  • ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENTS

    MTG GUIDE|Exercise NEET CAFE TOPICWISE PRATICE QUESTIONS (INSTANTANEOUS, AVERAGE AND RMS VALUE OF ALTERNATING CURRENT/ VOLTAGE)|5 Videos

  • DUAL NATURE OF MATTER AND RADIATION

    MTG GUIDE|Exercise AIPMT/ NEET MCQs|30 Videos

  • ELECTROMAGNETIC WAVES

    MTG GUIDE|Exercise AIPMT/NEET(MCQs)|15 Videos

Similar Questions

Explore conceptually related problems

Find the reactance of a capacitor having a capacitance ((1)/(pi))mu F at 50 Hz .

(a) What is the reactance of a 2.00 H inductor at a frequency of 50.0 Hz ? (b) What is the inductance of an inductor whose reactance is 2.00 Omega at 50.0 Hz ? (c) What is the reactance of a 2.00 muF capacitor at a frequency of 50.0 Hz ? (d) What is the capacitance of a capacitor whose reactance is 2.00 Omega at 50.0 Hz ?

Knowledge Check

  • Reactance of a capacitor of capacitance CmuF for ac frequency 400/pi Hz is 25 Omega . The value C is

    A
    `50 muF`
    B
    `25 muF`
    C
    `100 muF`
    D
    `75 muF`

  • The reactance of a capacitor of capacitance C is X. If both th frequency and capacitance be doubled, then new reactance will be

    A
    `X`
    B
    `2X`
    C
    `4X`
    D
    `(X)/(4)`

  • The reactance of a capacitor of capcitance C muF for an a.c. of frequency 400/(pi) Hz is 25 Omega . What is the value of C?

    A
    `25 mu F`
    B
    `50 mu F`
    C
    `75 mu F`
    D
    `90 mu F`

    • Similar Questions

    Explore conceptually related problems

    What is the capacitive reactance of a capacitor of 5μF at a frequency (1) 50 Hz and (2) 20KHZ?

    Find capacitive reactance of a capacitor connected to a dc source.

    Capacitor C_1 of capacitance 1 micro-farad and capacitor C_2 of capacitance 2 microfarad are separately charged fully by a common battery. The two capacitors are then separately allowed to discharged through equal resistors at time t = 0.

    The capacitance of a pure capacitance is 1 farad. In DC circuits, its effective resistance will be

    The reactance offered by a capcitor to an a.c. of frequency 50 Hz is 15 Omega . What would be its reactance if the frequency is increased to 75 Hz?

    Home
    Profile