Physics-

General

Easy

Question

# The magnitude of I in ampere is

- 0.1
- 0.3
- 0.6
- None of the above

## The correct answer is: 0.1

### All the resistances are in parallel order, so voltage across them will be equal.

### Related Questions to study

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### A cord of length 64 m is used to connect a 100 kg astronaut to a space-ship whose mass is much larger than that of the astronaut. Estimate the value of the tension in the cord. Assume that the space-ship is orbiting near earth surface. Also assume that the space-ship and the astronaut fall on a straight line from the earth’s centre. The radius of the earth is 6400 km.

### A cord of length 64 m is used to connect a 100 kg astronaut to a space-ship whose mass is much larger than that of the astronaut. Estimate the value of the tension in the cord. Assume that the space-ship is orbiting near earth surface. Also assume that the space-ship and the astronaut fall on a straight line from the earth’s centre. The radius of the earth is 6400 km.

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### If for a matrix A, A^{3} = I then A^{–1} equals -

### If for a matrix A, A^{3} = I then A^{–1} equals -

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### The temperature of the two outer surfaces of a composite slab, consists of two materials having coefficients of thermal conductivity K and 2K and thickness x and 4x respectively and

The rate of heat transfer through slab, in a steady state is with f equals to

### The temperature of the two outer surfaces of a composite slab, consists of two materials having coefficients of thermal conductivity K and 2K and thickness x and 4x respectively and

The rate of heat transfer through slab, in a steady state is with f equals to

physics-General

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### Three rods of material x and three rods of material y are connected as shown in figure all the rods are of identical length and cross section If the end A is maintained at 60C and the junction E at 10C, find effective Thermal Resistance Given length of each rod=l, area of cross-section=A, conductivity of x=K and conductivity of y=2K

### Three rods of material x and three rods of material y are connected as shown in figure all the rods are of identical length and cross section If the end A is maintained at 60C and the junction E at 10C, find effective Thermal Resistance Given length of each rod=l, area of cross-section=A, conductivity of x=K and conductivity of y=2K

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### One end of a copper rod of uniform cross section and of length 1.5m is kept in contact with ice and the other end with water at 100C At what point along its length should a temperature of 200C be maintained so that in steady sate, the mass of ice melting be equal to that of the steam produced in same interval of time? Assume that the whole system is insulated from surroundings and

### One end of a copper rod of uniform cross section and of length 1.5m is kept in contact with ice and the other end with water at 100C At what point along its length should a temperature of 200C be maintained so that in steady sate, the mass of ice melting be equal to that of the steam produced in same interval of time? Assume that the whole system is insulated from surroundings and

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### If A = , then the value of adj (adj A) is -

### If A = , then the value of adj (adj A) is -

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### The curves for potential energy (U) and kinetic energy of a two particle system are shown in figure. At what points the system will be bound?

### The curves for potential energy (U) and kinetic energy of a two particle system are shown in figure. At what points the system will be bound?

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### Suppose, the acceleration due to gravity at the earth’s surface is 10 m/s^{2} and at the surface of Mars it is 4.0 m/s^{2}. A 60 kg passenger goes from the earth to the Mars in a spaceship moving with a constant velocity. Neglect all other objects in the sky. Which part of figure best represents the weight (net gravitational force)of the passenger as a function of time.

### Suppose, the acceleration due to gravity at the earth’s surface is 10 m/s^{2} and at the surface of Mars it is 4.0 m/s^{2}. A 60 kg passenger goes from the earth to the Mars in a spaceship moving with a constant velocity. Neglect all other objects in the sky. Which part of figure best represents the weight (net gravitational force)of the passenger as a function of time.

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### A sphere of mass M and radius R_{2} has a concentric cavity of radius R_{1} as shown in figure. The force F exerted by the sphere on a particle of mass m located at a distance r from the centre of sphere varies as

### A sphere of mass M and radius R_{2} has a concentric cavity of radius R_{1} as shown in figure. The force F exerted by the sphere on a particle of mass m located at a distance r from the centre of sphere varies as

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### If A is skew symmetric matrix & C is column matrix then A C =

### If A is skew symmetric matrix & C is column matrix then A C =

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### If A,B,C, are three matrices, then A^{T} + B^{T} + C^{T} is -

### If A,B,C, are three matrices, then A^{T} + B^{T} + C^{T} is -

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### If A and B are matrices of order m × n and n × m respectively, then the order of matrix B^{T} (A^{T})^{T} is -

### If A and B are matrices of order m × n and n × m respectively, then the order of matrix B^{T} (A^{T})^{T} is -

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### If A = and B =, then (AB)^{T} is

### If A = and B =, then (AB)^{T} is

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### If A =, then A^{5} equals-

### If A =, then A^{5} equals-

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### If A =, then for what value of x, A^{2} = 0-

### If A =, then for what value of x, A^{2} = 0-

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