Advertisements
Advertisements
प्रश्न
Tick (✓) the correct choice among the following :
There are 500 turns and 2000 turns in the primary and secondary coil of a
transformer respectively. If th e output voltage is 1000 V, how large is the
input voltage?
पर्याय
250 v
500 v
1000 v
2000 V
4000 V
Advertisements
उत्तर
250 v
APPEARS IN
संबंधित प्रश्न
If 20 C of charge pass a point in a circuit in 1 s, what current is flowing?
What is an electric current?
(a) With the help of a circuit diagram, obtain the relation for the equivalent resistance of two resistances connected in parallel.
(b) In the circuit diagram shown below, find:
(i) Total resistance.
(ii) Current shown by the ammeter A
What is the purpose of a fuse in an electrical circuit?
A current of 0.2 A flows through a wire whose ends are at a potential difference of 15 V. Calculate:
(i) The resistance of the wire, and
(ii) The heat energy produced in 1 minute.
Electric current passes through a metallic conductor due to the movement of ______.
