Physics-
General
Easy

Question

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 :

  1. R    
  2. 12R    
  3. 5R/6    
  4. 7R/12    

The correct answer is: 5R/6

Related Questions to study

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
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
General
physics-

The e.m.f. of the daniel cell is :

The e.m.f. of the daniel cell is :

physics-General
parallel
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
General
physics-

Find the current through 2 capital omega:

Find the current through 2 capital omega:

physics-General
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
parallel
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
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
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
parallel
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
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
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
parallel
General
physics-

A particle of mass M is at a distance a from surface of a thin spherical shell of equal mass and having radius a.

A particle of mass M is at a distance a from surface of a thin spherical shell of equal mass and having radius a.

physics-General
General
physics-

A solid sphere of uniform density and radius R applies a gravitational force of attraction equal to F1 on a particle placed at a distance 3R from the centre of the sphere. A spherical cavity of radius R/2 is now made in the sphere as shown in the figure. The sphere with cavity now applies a gravitational force F2 on the same particle. The ratio F2 /F1 is:

A solid sphere of uniform density and radius R applies a gravitational force of attraction equal to F1 on a particle placed at a distance 3R from the centre of the sphere. A spherical cavity of radius R/2 is now made in the sphere as shown in the figure. The sphere with cavity now applies a gravitational force F2 on the same particle. The ratio F2 /F1 is:

physics-General
General
physics-

Find the distance between centre of gravity and centre of mass of a two particle system attached to the ends of a light rod. Each particle has same mass. Length of the rod is R, where R is the radius of earth

Find the distance between centre of gravity and centre of mass of a two particle system attached to the ends of a light rod. Each particle has same mass. Length of the rod is R, where R is the radius of earth

physics-General
parallel

card img

With Turito Academy.

card img

With Turito Foundation.

card img

Get an Expert Advice From Turito.

Turito Academy

card img

With Turito Academy.

Test Prep

card img

With Turito Foundation.