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General
Easy
Question
The equivalent resistance between the terminal points A and B in the network shown in figure is
The correct answer is:
Related Questions to study
physics-
A hollow conducting sphere of inner radius R and outer radius 2R has resistivity '
' a function of the distance 'r' from the centre of the sphere: 
. The inner and outer surfaces are painted with a perfectly conducting 'paint' and a potential difference 
is applied between the two surfaces. Then, as 'r' increases from R to 2R, the electric field inside the sphere
A hollow conducting sphere of inner radius R and outer radius 2R has resistivity '' a function of the distance 'r' from the centre of the sphere: . The inner and outer surfaces are painted with a perfectly conducting 'paint' and a potential difference is applied between the two surfaces. Then, as 'r' increases from R to 2R, the electric field inside the sphere
physics-General
physics-
If I = 80 mA, determine the magnitude of the current in the 
resistor
If I = 80 mA, determine the magnitude of the current in the resistor
physics-General
physics-
Four wires A, B, C and D are made of different materials. They each carry the same current I. Wire B has twice the length of other wires. Wire C has twice the internal electric field of other wires. Wire D has twice the diameter of other wires. Other than these differences, all wires share identical characteristics. Rank the conductivities of these materials, from greatest to least
Four wires A, B, C and D are made of different materials. They each carry the same current I. Wire B has twice the length of other wires. Wire C has twice the internal electric field of other wires. Wire D has twice the diameter of other wires. Other than these differences, all wires share identical characteristics. Rank the conductivities of these materials, from greatest to least
physics-General
physics-
A hollow cylinder with inner radius R, outer radius 2R mass M is rolling with speed of its axis v. Its kinetic energy is
A hollow cylinder with inner radius R, outer radius 2R mass M is rolling with speed of its axis v. Its kinetic energy is
physics-General
physics-
Four identical bulbs each rated 100 watts, 220 volts are connected across a battery as shown. The power consumed by them is:
Four identical bulbs each rated 100 watts, 220 volts are connected across a battery as shown. The power consumed by them is:
physics-General
physics-
Resistors R1 and R2 have an equivalent resistance of 6 ohms when connected in the circuit shown below. The resistance of R1 could be
Resistors R1 and R2 have an equivalent resistance of 6 ohms when connected in the circuit shown below. The resistance of R1 could be
physics-General
physics-
In the two circuits shown, all the light bulbs and batteries are identical. If A, B and C respectively denotes the brightness of light bulbs A, B & C then
In the two circuits shown, all the light bulbs and batteries are identical. If A, B and C respectively denotes the brightness of light bulbs A, B & C then
physics-General
physics-
Two strings support a uniform rod as shown. String at end B is cut. Which of the following is true just after cut
I] initial acceleration of A is vertical
II] initial acceleration of A is horizontal
III] initial acceleration of centre of mass of rod is vertical
IV] initial acceleration of centre of mass of rod is horizontal
Two strings support a uniform rod as shown. String at end B is cut. Which of the following is true just after cut
I] initial acceleration of A is vertical
II] initial acceleration of A is horizontal
III] initial acceleration of centre of mass of rod is vertical
IV] initial acceleration of centre of mass of rod is horizontal
physics-General
physics-
The potential of point O in the steady state circuit shown on the right is
The potential of point O in the steady state circuit shown on the right is
physics-General
physics-
A mass is at the center of a square, with four masses at the corners as shown.
Rank the choices according to the magnitude of the gravitational force on the center mass.
A mass is at the center of a square, with four masses at the corners as shown.
Rank the choices according to the magnitude of the gravitational force on the center mass.
physics-General
physics-
In the figure shown the electric potential energy of the system is (q is at the centre of the conducting neutral spherical shell of inner radius a and outer radius b)
In the figure shown the electric potential energy of the system is (q is at the centre of the conducting neutral spherical shell of inner radius a and outer radius b)
physics-General
physics-
The diagram shows three concentric conducting spherical shells having radii T, 2R and 3R. The initial potential of each shell is as mentioned in the figure. If the inner most shell is earth then the charge present on its outer surface would be equal to
The diagram shows three concentric conducting spherical shells having radii T, 2R and 3R. The initial potential of each shell is as mentioned in the figure. If the inner most shell is earth then the charge present on its outer surface would be equal to
physics-General
physics-
The variation of gravitational field E and potential 
as a function of x from the center of a uniform spherical mass distribution of radius R is correctly represented, from the following plots, by
The variation of gravitational field E and potential as a function of x from the center of a uniform spherical mass distribution of radius R is correctly represented, from the following plots, by
physics-General
physics-
A (nonrotating) star collapses onto itself from an initial radius Ri with its mass remaining unchanged. Which curve in figure best gives the gravitational acceleration ag on the surface of the star as a function of the radius of the star during the collapse?
A (nonrotating) star collapses onto itself from an initial radius Ri with its mass remaining unchanged. Which curve in figure best gives the gravitational acceleration ag on the surface of the star as a function of the radius of the star during the collapse?
physics-General
physics-
Inside a charged thin conducting spherical shell of radius R, a point charge +Q is placed as shown in figure. The potential of the shell would be
Inside a charged thin conducting spherical shell of radius R, a point charge +Q is placed as shown in figure. The potential of the shell would be
physics-General
