Physics-
General
Easy
Question
In the shown wire frame, each side of a square (the smallest square) has a resistance R. The equivalent resistance of the circuit between the points A and B is :
- R
- 2R
- 4R
- 8R
The correct answer is: 2R
Related Questions to study
physics-
Two circular rings of identical radii and resistance of 36Weach are placed in such a way that they cross each other’s centre C1 and C2 as shown in figure. Conducting joints are made at intersection points A and B of the rings. An ideal cell of emf 20 volts is connected across AB. The power delivered by cell is
From the figure
Two circular rings of identical radii and resistance of 36Weach are placed in such a way that they cross each other’s centre C1 and C2 as shown in figure. Conducting joints are made at intersection points A and B of the rings. An ideal cell of emf 20 volts is connected across AB. The power delivered by cell is
physics-General
From the figure
physics-
A cell of emf E having an internal resistance 'r ' is connected to an external resistance R. The potential difference ' V ' across the resistance R varies with R as shown by the curve:
A cell of emf E having an internal resistance 'r ' is connected to an external resistance R. The potential difference ' V ' across the resistance R varies with R as shown by the curve:
physics-General
physics-
In a practical wheat stone bridge circuit as shown, when one more resistance of 100 W is connected is parallel with unknown resistance ' x ', then ratio 
1 
become ' 2 '. l1 is balance length. AB is a uniform wire. Then value of ' x ' must be:
wheat stone bridge is in balanced condition
In a practical wheat stone bridge circuit as shown, when one more resistance of 100 W is connected is parallel with unknown resistance ' x ', then ratio 1 become ' 2 '. l1 is balance length. AB is a uniform wire. Then value of ' x ' must be:
physics-General
wheat stone bridge is in balanced condition
physics-
In the figure shown the current flowing through 2 R is :
In the figure shown the current flowing through 2 R is :
physics-General
physics-
In the shown arrangement of the experiment of the meter bridge if AC corresponding to null deflection of galvanometer is x, what would be its value if the radius of the wire AB is doubled?
In the shown arrangement of the experiment of the meter bridge if AC corresponding to null deflection of galvanometer is x, what would be its value if the radius of the wire AB is doubled?
physics-General
physics-
In the circuit shown in the figure, the current through
Net resistance of the circuit is 9W.
\ current drawn from the battery
\ current drawn from the battery
In the circuit shown in the figure, the current through
physics-General
Net resistance of the circuit is 9W.
\ current drawn from the battery
\ current drawn from the battery
physics-
In which of the following case current shown by ammeter is maximum
Current is maximum when resistance in the circuit is minimum. i.e. when S1 ,S3 ,S5 are closed because then all resistances will be short circuited 
In which of the following case current shown by ammeter is maximum
physics-General
Current is maximum when resistance in the circuit is minimum. i.e. when S1 ,S3 ,S5 are closed because then all resistances will be short circuited
maths-
In 
then find 
in the figure.
In then find in the figure.
maths-General
maths-
Find ‘b’ in the given figure .
Find ‘b’ in the given figure .
maths-General
maths-
Find x in the given figure .
Find x in the given figure .
maths-General
physics-
A wire has resistance of 24 W is bent in the following shape. The effective resistance between A and B is
A wire has resistance of 24 W is bent in the following shape. The effective resistance between A and B is
physics-General
physics-
The net emf and internal resistance of three batteries as shown in figure is :
The net emf and internal resistance of three batteries as shown in figure is :
physics-General
maths-
if 
then find y in the given figure.
if then find y in the given figure.
maths-General
maths-
In the given figure, if 
find x y
In the given figure, if find x y
maths-General
maths-
Find the value of a+b in the given figure
Find the value of a+b in the given figure
maths-General
