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
In which direction does conventional current flow around a circuit?
<p> Define the unit of electric current (or Define ampere).
Christmas tree lamps are usually wired in series. What happens if one lamps breaks?
Consider the circuit given below when A, B and C are three identical light bulbs of constant resistance.
(a) List the bulbs in order of increasing brightness.
(b) If C burns out, what will be the brightness of A now compared with before?
(c) If B burns out instead, what will be the brightness of A and C compared with before?
Tell the odd one out. Give a proper explanation.
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:
Which of the following quantities has the same value for all electrical
appliances connected to the ring main circuit in a house?
Two cells each having an e.m.f. of 2 V and an internal resistance of 2Ω are
connected (a) In series, and ( b) In para 1le l as shown in fig. . What is the
current flowing through the cir cu it in each_ case?

What is meant by internal resistance of a cell?
