Last seen: Jul 17, 2023
(a) A fuse cuts off current when the current exceeds a safe value (due to short circuiting or overloading). When the current becomes large, it heats t...
Live wire coming in contact with the neutral wire is known as short circuit. When too many electrical appliances of high power rating are switched o...
Cartridge fuse. It consists of a glass tube T having a thin fuse wire sealed inside it. The glass tube has two metal caps at its two ends. The two e...
(a) The fuse wire is made of tin-plated copper wire because of its low melting point. (b) Pure copper wire cannot be used as a fuse wire because it ...
(i) In case of parallel connection, if one of the appliances is switched off, other appliances keep on operating. (ii) In case of parallel connectio...
To avoid the risk of electric shocks.
(a) red (b) black (c) green
Red, black and green.
Short circuit occurs when live wire and neutral wire come in contact with each other.
P = VI I = = = 0.75A The fuse wire should be such that it is able to withstand only a little more current than 0.75A. So the fuse of 1A is t...
Red wire – Live wire. Black wire – Neutral wire. Green wire – Earth wire.
(a) False. (b) False.
figure.png Symbol of an electric fuse used in circuit diagram
Total number of bags present = 11 Number of bags containing more than 5 kg of flour = 7 ∴ the probability that any of the bags chosen at random co...