The frequency of an alternating voltage is 50 P cycles \( / \mathrm...

Channel:
PW Solutions
Subscribers:
443,000
Published on ● Video Link: https://www.youtube.com/watch?v=wWERD5c1B88


Duration: 0:52
1 views
0

The frequency of an alternating voltage is 50
P cycles \( / \mathrm{sec} \) and its amplitude is \( 120 \mathrm{~V} \). Then the

W r.m.s. value of voltage is
(1) \( 101.3 \mathrm{~V} \)
(2) \( 84.8 \mathrm{~V} \)
(3) \( 70.7 \mathrm{~V} \)
(4) \( 56.5 \mathrm{~V} \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2023-04-08A direct current of \( 5 \mathrm{~A} \) is superimposed on an P alt...
2023-04-08An ac is given equation \( I=I_{1} \cos \omega \mathrm{t}+I_{2} \si...
2023-04-08What is the average value of the \( \mathrm{AC} \) having P maximum...
2023-04-08An alternating current is given by the equation \( i=i_{1} \) \( \m...
2023-04-08If a direct current of value \( a \) ampere is superimposed \( \mat...
2023-04-08The peak value of an alternating emf \( \mathrm{E} \) given by P \(...
2023-04-08Two sinusoidal voltages of same frequency are shown in Fig. \( \mat...
2023-04-08The rms value of an ac of \( 50 \mathrm{~Hz} \) is \( 10 \mathrm{~A...
2023-04-08The r.m.s. voltage of domestic electricity supply is P 220 volt. El...
2023-04-08R.M.S. value of current \( i=3+4 \sin (\omega t+\pi / 3) \) is: P (...
2023-04-08The frequency of an alternating voltage is 50 P cycles \( / \mathrm...
2023-04-08Find the average value of current shown graphically P from \( t=0 \...
2023-04-08Figure shows a \( R L \) circuit. If at \( t=0 \) switch is closed,...
2023-04-08An AC voltage of \( V=220 \sqrt{2} \sin \left(2 \pi 50 t+\frac{\pi}...
2023-04-08The ratio of peak value and r:m.s value of an P alternating current...
2023-04-08An insulator ring of radius \( r \) and mass \( m \) having P charg...
2023-04-08In an oscillating \( L C \) circuit in which \( C=4.00 \mu \mathrm{...
2023-04-08An electron of mass \( m_{e} \) is placed at point \( P \) in the p...
2023-04-08There are two stationary loops with mutual inductance \( M \). The ...
2023-04-08A closed circuit consists of a cell of emf \( \varepsilon \), an id...
2023-04-08In a process of current decay in an inductor through a \( \mathrm{P...


Tags:
pw