If an ac main supply is given to be \( 220 \mathrm{~V} \). What would be the average e.m.f. duri....

Channel:
PW Solutions
Subscribers:
445,000
Published on ● Video Link: https://www.youtube.com/watch?v=aVpvh7KvXM4


Duration: 2:08
0 views
0

If an ac main supply is given to be \( 220 \mathrm{~V} \). What
\( \mathrm{P} \)
would be the average e.m.f. during a positive half
W
cycle
(1) \( 198 \mathrm{~V} \)
(2) \( 386 \mathrm{~V} \)
(3) \( 256 \mathrm{~V} \)
(4) None of these


šŸ“²PW App Link - https://bit.ly/YTAI_PWAP
šŸŒPW Website - https://www.pw.live



Other Videos By PW Solutions


2024-01-21The root mean square value of the alternating current is equal to....
2024-01-21Voltage and current in an ac circuit are given by \( V=5 \sin \left(100 \pi t-\frac{\pi}{6}\righ....
2024-01-21The reactance of a \( 25 \mu \mathrm{F} \) capacitor at the ac frequency of \( 4000 \mathrm{~Hz}....
2024-01-21In an ac circuit, the reactance of the coil is \( \sqrt{3} \) times its resistance, the phase di....
2024-01-21R.M.S. value of current \( i=3+4 \sin (\omega t+\pi / 3) \) is:....
2024-01-21The frequency of ac mains in India is....
2024-01-21The peak value of an alternating emf \( \mathrm{E} \) given by \( \mathrm{E}=\mathrm{E}_{0} \cos....
2024-01-21A generator produces a voltage that is given by \( v=240 \sin 120 t \), where \( t \) is in seco....
2024-01-21If \( E_{0} \) represents the peak value of the voltage in an ac circuit, the r.m.s. value of th....
2024-01-21A square loop is placed near a long straight current carrying wire as shown, match the following....
2024-01-21If an ac main supply is given to be \( 220 \mathrm{~V} \). What would be the average e.m.f. duri....
2024-01-21Find the inductance of a unit length of two parallel wires, each of radius \( a \), whose center....
2024-01-21A circular conducting coil of radius \( 1 \mathrm{~m} \) is being heated by the change of magnet....
2024-01-21Column shows different \( L-R \) circuits connected with cell. Column II shows amount of current....
2024-01-21The ratio of peak value and r.m.s value of an alternating current is....
2024-01-21A circular coil of radius \( 8.0 \mathrm{~cm} \) and 20 turns is rotated about its vertical diam....
2024-01-21Motional emf from Lorentz force. The emf induced across the ends of a conductor due to its motio....
2024-01-21Consider the circuit shown. The switch is closed at \( t=0 \). Currents in various branches are ....
2024-01-21Motional emf from Lorentz force. The emf induced across the ends of a conductor due to its motio....
2024-01-21The SI unit of inductance, the henry, can be written as....
2024-01-21Motional emf from Lorentz force. The emf induced across the ends of a conductor due to its motio....