Advertisements
Advertisements
प्रश्न
Complete the following sentence:
Fuse wire has a ............ Melting point and it is made of an alloy of ......... and if the current in a circuit rises too high, the fuse wire ...........
Advertisements
उत्तर
Fuse wire has a low. Melting point and it is made of an alloy of lead and tin and if the current in a circuit rises too high, the fuse wire melts
APPEARS IN
संबंधित प्रश्न
If the current through a floodlamp is 5 A, what charge passed in 10 seconds?
(a) 0.5 C
(b) 2 C
(c) 5 C
(d) 50 C
The diagram shows two ways of connecting three lamps P, Q and R to A.C. supply of 220 V.
Tick(✓) the correct choice in the following:
When the length of a conductor is doubled the resistance of the conductor
will
At the time of short circuit, the electric current in the circuit ______.
Two electric bulbs rated 100 W; 220 V and 60 W; 220 V are connected in parallel to electric mains of 220 V. Find the current drawn by the bulbs from the mains.
- What is meant by electric current?
- Name and define its unit.
- Which instrument is used to measure the electric current? How should it be connected in a circuit?
