Physics-
General
Easy
Question
The three resistance of equal value are arranged in the different combinations shown below. Arrange them in increasing order of power dissipation
I. 
II. 
III. 
IV. 
- III < II < IV < I
- II < III < IV < I
- I < IV < III < II
- I < III < II < IV
The correct answer is: III < II < IV < I
Power dissipated

Related Questions to study
Physics-
A 100 W bulb B1, and two 60-W bulbs B2 and B3, are connected to a 250 V source, as shown in the figure. Now W1, W2 and W3 are the output powers of the bulbs B1, B2 and B3, respectively. Then

A 100 W bulb B1, and two 60-W bulbs B2 and B3, are connected to a 250 V source, as shown in the figure. Now W1, W2 and W3 are the output powers of the bulbs B1, B2 and B3, respectively. Then

Physics-General
Physics-
Four identical electrical lamps are labelled 1.5V, 0.5A which describes the condition necessary for them to operate at normal brightness. A 12V battery of negligible internal resistance is connected to lamps as shown, then

Four identical electrical lamps are labelled 1.5V, 0.5A which describes the condition necessary for them to operate at normal brightness. A 12V battery of negligible internal resistance is connected to lamps as shown, then

Physics-General
Physics-
In the circuit as shown in the figure, the heat produced by 6 ohm resistance due to current flowing in it is 60 calorie per second. The heat generated across 3 ohm resistance per second will be

In the circuit as shown in the figure, the heat produced by 6 ohm resistance due to current flowing in it is 60 calorie per second. The heat generated across 3 ohm resistance per second will be

Physics-General
Physics-
In the circuit shown in figure, the heat produced in 5 ohm resistance is 10 calories per second. The heat produced in 4 resistance is

In the circuit shown in figure, the heat produced in 5 ohm resistance is 10 calories per second. The heat produced in 4 resistance is

Physics-General
Maths-
Consider the system of equations
Then the set of a
values of ‘a’ for which the system has a unique solution is
Consider the system of equations
Then the set of a
values of ‘a’ for which the system has a unique solution is
Maths-General
Maths-
If
and
then Adj A=
If
and
then Adj A=
Maths-General
Maths-
If A is a square matrix such that A (Adj A)
then
If A is a square matrix such that A (Adj A)
then
Maths-General
Physics-
The cold junction of a thermocouple is maintained at
. No thermo e.m.f. is developed when the hot junction is maintained at
. The neutral temperature is
The cold junction of a thermocouple is maintained at
. No thermo e.m.f. is developed when the hot junction is maintained at
. The neutral temperature is
Physics-General
Physics-
For a given temperature difference, which of the following pairs will generate maximum thermo e.m.f.
For a given temperature difference, which of the following pairs will generate maximum thermo e.m.f.
Physics-General
Physics-
Which of the following statement is correct
Which of the following statement is correct
Physics-General
Physics-
In Cu-Fe couple, the flow of current at the temperature of inversion is
In Cu-Fe couple, the flow of current at the temperature of inversion is
Physics-General
Physics-
At neutral temperature, the thermoelectric power
has the value
At neutral temperature, the thermoelectric power
has the value
Physics-General
Physics-
When a current of 1 ampere is passed through a conductor whose ends are maintained at temperature difference of
, the amount of heat evolved or absorbed is called
When a current of 1 ampere is passed through a conductor whose ends are maintained at temperature difference of
, the amount of heat evolved or absorbed is called
Physics-General
Physics-
Thermopile is used for
Thermopile is used for
Physics-General
Physics-
When current is passed in antimony-bismuth couple, then
When current is passed in antimony-bismuth couple, then
Physics-General