At the time of short circuit, the current in the circuit
Important Questions on Magnetic Effects of Electric Current
Electricity and magnetism are linked to each other.
Two fuse wires A and B of the same length but rated and respectively which will be more thicker and why?
Two lamps, one rated at , and the other at , are connected in parallel to the electric mains supply. What current is drawn from the line if the supply voltage is ?
The diagram above shows a circuit with the key k open. Calculate the resistance of the circuit when the key k is open and calculate the current drawn from the cell when the key k is open.
Select the most correct alternative given below each statement and write the completed statement:
An electric fuse is used to ________
Select the most correct alternative given below each statement and write the completed statement:
An appliance like an electric iron takes a current from circuit rated _____
Calculate the effective resistance across AB.
The diagram below shows a dual control switch circuit connected to a bulb. Out of A & B which one is the live wire and which one is the neutral wire?
What precautions should be taken to avoid overloading of domestic electric circuit?
Name two safety measures commonly used in domestic electric circuit and appliances.
(i) The wire is also called as the phase wire.
(ii) The wire is connected to the top terminal of a three pin socket.
An electric bulb is connected to a generator. The current is . What is the power of the bulb?
