Draw a circuit diagram describing how Torch cells should be connected to a bulb and a switch to obtain effective voltage of .
Important Questions on The World of Electricity
How can a continuous flow of current be obtained? What are the sources of energy and name of the devices required for continuous flow of current?
How much work is done in moving a charge of across two points having a potential difference ?
Write the conventional symbol of the following component used in electric circuit diagram-
An electric cell
What is a conductor of electricity? Give two examples.
In the given circuit diagram, identify the objects marked as .
Write the conventional symbol of the following component used in electric circuit diagram-
A wire joint
Write the conventional symbol of the following component used in electric circuit diagram-
Electric bulb
The diagram below shows a dual control switch circuit connected to a bulb. Copy the diagram and complete it so that the bulb is switched ON.
Four bulbs , , and of each are connected to main as shown in the figure. The reading in an ideal ammeter will be