Physics-
General
Easy
Question
In the following figure, the resistance of the galvanometer G is 50 ohm. Of the following alternatives in which case are the currents arranged strictly in the order of decreasing magnitudes with the larger coming earlier :
The correct answer is:
Related Questions to study
physics-
Eels are able to generate current with biological cells called electroplaques The electroplaques in an eel are arranged in 100 rows, each row stretching horizontally along the body of fish containing 5000 electroplaques The arrangement is suggestively shown in the figure Each electroplaque has an e.m.f. of 0.15 V and internal resistance of 0.25 W. The water surrounding the eel completes a circuit between the head and its tail. If the water surrounding it has a resistance of 500W, the current an eel can produce in water is about :
Eels are able to generate current with biological cells called electroplaques The electroplaques in an eel are arranged in 100 rows, each row stretching horizontally along the body of fish containing 5000 electroplaques The arrangement is suggestively shown in the figure Each electroplaque has an e.m.f. of 0.15 V and internal resistance of 0.25 W. The water surrounding the eel completes a circuit between the head and its tail. If the water surrounding it has a resistance of 500W, the current an eel can produce in water is about :
physics-General
physics-
The value of current I in the given circuit is :
The value of current I in the given circuit is :
physics-General
physics-
Twelve equal resistors, each of resistance R, are connected to form a skeleton cube. Then the equivalent resistance taken between two diagonally opposite corners is :
Twelve equal resistors, each of resistance R, are connected to form a skeleton cube. Then the equivalent resistance taken between two diagonally opposite corners is :
physics-General
physics-
Five identical lamps, each of resistance 1100 ohm are connected to 220 volt as shown in figure in the following figure. The reading of an ideal ammeter A is :
Five identical lamps, each of resistance 1100 ohm are connected to 220 volt as shown in figure in the following figure. The reading of an ideal ammeter A is :
physics-General
physics-
In the following figure, the reading of an ideal voltmeter V is zero. Then the relation between R, r1 and r2 is :
In the following figure, the reading of an ideal voltmeter V is zero. Then the relation between R, r1 and r2 is :
physics-General
physics-
The e.m.f. of the daniel cell is :
The e.m.f. of the daniel cell is :
physics-General
physics-
In the circuit, the galvanometer G shows zero deflection. If the batteries A and B have negligible internal resistance, the value of the resistor R will be :
In the circuit, the galvanometer G shows zero deflection. If the batteries A and B have negligible internal resistance, the value of the resistor R will be :
physics-General
physics-
Find the current through 2 
:
Find the current through 2 :
physics-General
physics-
Consider two configurations of a system of three particles of masses m, 2m and 3m. The work done by external agent in changing the configuration of the system from figure (i) to figure (ii) is
Consider two configurations of a system of three particles of masses m, 2m and 3m. The work done by external agent in changing the configuration of the system from figure (i) to figure (ii) is
physics-General
physics-
A small ball of mass ‘m’ is released at a height ‘R’ above the earth surface, as shown in the figure above. If the maximum depth of the ball to which it goes is R/2 inside the earth through a narrow grove before coming to rest momentarily. The grove, contain an ideal spring of spring constant K and natural length R, find the value of K if R is radius of earth and M mass of earth
A small ball of mass ‘m’ is released at a height ‘R’ above the earth surface, as shown in the figure above. If the maximum depth of the ball to which it goes is R/2 inside the earth through a narrow grove before coming to rest momentarily. The grove, contain an ideal spring of spring constant K and natural length R, find the value of K if R is radius of earth and M mass of earth
physics-General
physics-
The figure shows the variation of energy with the orbit radius of a body in circular planetary motion. Find the correct statement about the curves A, B and C
The figure shows the variation of energy with the orbit radius of a body in circular planetary motion. Find the correct statement about the curves A, B and C
physics-General
physics-
Referring to previous problem, what is the gravitational field strength in this region ?
Referring to previous problem, what is the gravitational field strength in this region ?
physics-General
physics-
A spherical uniform planet is rotating about its axis. The velocity of a point on its equator is V. Due to the rotation of planet about its axis the acceleration due to gravity g at equator is 1/2 of g at poles. The escape velocity of a particle on the planet in terms of V.
A spherical uniform planet is rotating about its axis. The velocity of a point on its equator is V. Due to the rotation of planet about its axis the acceleration due to gravity g at equator is 1/2 of g at poles. The escape velocity of a particle on the planet in terms of V.
physics-General
physics-
A particle starts from rest at a distance R from the centre and along the axis of a fixed ring of radius R & mass M. Its velocity at the centre of the ring is:
A particle starts from rest at a distance R from the centre and along the axis of a fixed ring of radius R & mass M. Its velocity at the centre of the ring is:
physics-General
physics-
Two identical spherical balls each of mass m are placed as shown in figure. Plot the variation of g(gravitation intensity) along the x-axis.
Two identical spherical balls each of mass m are placed as shown in figure. Plot the variation of g(gravitation intensity) along the x-axis.
physics-General
