Advertisements
Advertisements
प्रश्न
What type of current is transmitted from the power station?
उत्तर
An alternating current is transmitted from the power station.
APPEARS IN
संबंधित प्रश्न
State the principle on which transformer works.
The transformer is used in ______ current circuits.
State the principle of a transformer.
Name the principle on which functioning of a transformer depends.
A transformer lowers e.m.f. 220 V to 12 volts. If the number of turns in primary are 8800, how many turns are in secondary coil?
A transformer works on the principle of ______.
A step-down transformer connected to an ac mains supply of 220 V is made to operate at 11 V, 44 W lamp. Ignoring power losses in the transformer, what is the current in the primary circuit?
A transformer consisting of 300 turns in the primary and 150 turns in the secondary gives output power of 2.2 kW. If the current in the secondary coil is 10 A, then the input voltage and current in the primary coil are ______.
The magnetic flux through a coil perpendicular to its plane is varying according to the relation Φ = (5t3 + 4t2 + 2t - 5) Weber. If the resistant of the coil is 5 ohm, then the induced current through the coil at t = 2 sec will be ______.