Physics-
General
Easy
Question
In the circuit shown in the figure, the value of Resistance X, when potential difference between the points B and D is zero will be
The correct answer is:
Related Questions to study
Physics-
The electric current 'i' in the given circuit is
The electric current 'i' in the given circuit is
Physics-General
Physics-
The potential difference between points A and B is
The potential difference between points A and B is
Physics-General
Physics-
Find E for the Given Loop
Find E for the Given Loop
Physics-General
Physics-
The value of current I, in the figure shown will be
The value of current I, in the figure shown will be
Physics-General
Physics-
A student is asked to connected four cells of e.m.f of 1 V and internal resistance 0.5 ohm in series with an external resistance of 1 ohm. But one cell is wrongly connected by him with its terminal reversed, the current in the circuit is
A student is asked to connected four cells of e.m.f of 1 V and internal resistance 0.5 ohm in series with an external resistance of 1 ohm. But one cell is wrongly connected by him with its terminal reversed, the current in the circuit is
Physics-General
Physics-
If the external resistance is equal to the internal resistance of a cell of emf E. The p.d. across its terminal is
If the external resistance is equal to the internal resistance of a cell of emf E. The p.d. across its terminal is
Physics-General
Physics-
The temperature coefficient of resistivity of material is 0.0004/k. When the temperature of the material is increased by 50°C, its resistivity increases by 
. The initial resistivity of the material in ohm-m is
The temperature coefficient of resistivity of material is 0.0004/k. When the temperature of the material is increased by 50°C, its resistivity increases by . The initial resistivity of the material in ohm-m is
Physics-General
Physics-
The effective resistance between A and B in the given circuit is
The effective resistance between A and B in the given circuit is
Physics-General
Physics-
The effective resistance between A and B in the given circuit is
The effective resistance between A and B in the given circuit is
Physics-General
Physics-
The effective resistance between A and B in the given circuit is
The effective resistance between A and B in the given circuit is
Physics-General
Physics-
If a copper wire is stretched to increase its length by 0.1%. Then percentage of increase in its resistance will be
If a copper wire is stretched to increase its length by 0.1%. Then percentage of increase in its resistance will be
Physics-General
Physics-
The U-tube shown has a uniform cross section. A liquid is filled in the two arms up to heights 
and 
, and then the liquid is allowed to move. Neglect viscosity and surface tension. When the levels equalize in the two arms, the liquid will:
The U-tube shown has a uniform cross section. A liquid is filled in the two arms up to heights and , and then the liquid is allowed to move. Neglect viscosity and surface tension. When the levels equalize in the two arms, the liquid will:
Physics-General
Physics-
There are two identical small holes, on the opposite sides of a tank containing a liquid. The tank is open at the top. The difference in height between the two holes is h. As the liquid comes out of the two holes.
There are two identical small holes, on the opposite sides of a tank containing a liquid. The tank is open at the top. The difference in height between the two holes is h. As the liquid comes out of the two holes.
Physics-General
Physics-
As a liquid of density 
flows through the tube shown above in a streamlined way,
As a liquid of density flows through the tube shown above in a streamlined way,
Physics-General
Physics-
A square box of water has a small hole located in one of the bottom corner. When the box is full and sitting on a level surface, complete opening of the hole results in a flow of water with a speed 
, as shown in figure. When the box is still half empty, it is tilted by 45° so the hole is at the lowest point Now the water will flow out with speed of
A square box of water has a small hole located in one of the bottom corner. When the box is full and sitting on a level surface, complete opening of the hole results in a flow of water with a speed , as shown in figure. When the box is still half empty, it is tilted by 45° so the hole is at the lowest point Now the water will flow out with speed of
Physics-General
