Circuit Diagram
Circuit Diagram: Overview
This topic covers concepts, such as Electric Circuit, Series Circuit, Parallel Circuit & Short-circuiting etc.
Important Questions on Circuit Diagram
The equivalent resistance between and in the following figure is

Which of the following cells is more likely to be damaged due to short circuiting?


Consider the circuit below. The bulb will light up if

The effective resistance between P and Q in the given circuit is

What is the resistance between A and B in the following circuit?

Seven identical lamps of resistance each are connected to a line as shown in figure. Then the reading in the ammeter will be

Which switch in the circuit (given in the figure) when closed will produce short-circuiting?

In the circuit shown below, the ammeter A reads 5A and the voltmeter V reads 20V. The correct value of resistance R is

On connecting the cells, in which circuit does the bulb glow brighter?



The path through which an electric current flow is called


Three identical bulbs X, Y and Z are connected as shown in the figure:
Which of the following statements is incorrect regarding them?

A continuous and closed path of an electric current is called?

Assertion: Electrical power go off when a short circuit happens.
Reason: When short circuit happens, then resistance of circuit become very high.

Two resistors of resistance and when connected to a battery will have :

Current between two points will not be flowing if :
