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संबंधित प्रश्न
What actually travels through the wires when you switch on a light?
What Makes an Electric Current Flow in a Wire?
Three resistors are connected as shown in the diagram.
Through the resistor 5 ohm, a current of 1 ampere is flowing.
(i) What is the current through the other two resistors?
(ii) What is the p.d. across AB and across AC?
(iii) What is the total resistance
Give three reasons why different electrical appliances in a domestic circuit are connected in parallel.
A 720 W heater operates from a 220 V line voltage. Calculate:
(a) The electrical energy consumed by the heater in 3 h.
(b) The cost of electrical energy consumption at the rate of 60 paise per kWh.
State whether the following statement is True or False:
The SI unit of charge is the coulomb.
The number of electrons constituting a 1-coulomb charge is ______.
What is the SI unit for the current?
