Login
Remember
Register
Home
All Activity
Q&A
Questions
Hot!
Unanswered
Tags
Categories
Users
Ask a Question
Ask a Question
An electrical device draws 2kW power from AC mains (voltage223V (rms) = `sqrt50,000` V).The current differs (lags) in phase by `φ tan φ=-3/4` as compared to voltage. Find `X_C –
0
votes
asked
Mar 20, 2022
in
12th Physics
by
varun
(
6.7k
points)
An electrical device draws 2kW power from AC mains (voltage223V (rms) = `sqrt50,000` V).The current differs (lags) in phase by `φ tan φ=-3/4` as compared to voltage. Find
`X_C – X_L`,
marks2
chapter7
#sub
Please
log in
or
register
to answer this question.
0
Answers
Categories
All categories
Maths
(8.6k)
Science
(14)
Physics
(3.4k)
11th Physics
(1.5k)
12th Physics
(1.9k)
Related questions
An electrical device draws 2kW power from AC mains (voltage223V (rms) = `sqrt50,000` V).The current differs (lags) in phase by `φ tan φ=-3/4` as compared to voltage. Find
An electrical device draws 2kW power from AC mains (voltage223V (rms) = `sqrt50,000` V).The current differs (lags) in phase by `φ tan φ=-3/4` as compared to voltage. Find I M. Another device has twice the values for R, XC and XL. How are the answers
How does the sign of the phase angle φ, by which the supply voltage leads the current in an LCR series circuit, change as the supply frequency is gradually increased from very low to very high
In an AC series L-C-R circuit, applied voltage is `V= {100sqrt2 sin (omegat + 45°)} V` Given that, `R - 30 Omega, X_L = 50 Omega and X_c = 10 Omega.` Now match the following two columns. Column I Column II A. Current in the circuit p. 120 SI units B. Power dissipated in the circuit q. 60 SI units C. Potential difference across resistance r. 2 SI units D. Potential difference across inductance s. None
An inductor `(X_L=2Omega)` a capacitor `(X_C=8Omega)` and a resistance `(8Omega)` is connected in series with an ac source. The voltage output of A.C source is given by `V=10 cos 2pi50t`. Find the instantaneous p.d. between A and B when the voltage output from source is half of its