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With aid of diagram explain why magnetic flux of transformer remains almost constant from no-load to full load?
since the volt amphere turns in secondary neautralises the primary voltamphere turns making the magnetic flux in the core remain constant
What is the name of conductor which obeys ohm's law?
Everything obeys Ohm's law - antennas, cables, transformers, integrated circuits, etc.AnswerIt is not true that 'everything' obeys Ohm's Law. For a device to obey Ohm's Law, the ratio of voltage to current MUST remain constant for variations in voltage. This is why Ohm's Law is a law of constant proportionality.
What happens to the voltage in a series circuit when more loads are added?
A: assuming a infinite current source the current will increase accordingly
Why the input impedence of op-Amp is very high?
An ideal amplifier will have a very high input resistance, and low output resistance. This is so it doesn't "load" the input circuitry, and can drive output circuitry. Say you hooked an op amp up to a microphone that kicked out 100mV unloaded. If you shorted out the microphone, the output would approach 0mV (very low resistance load). If you connected a very high resistance load instead, the output would remain close to 100mV. As the load becomes a smaller resistance/bigger load, the output voltage will decrease until it is no longer useful. This is because the microphone has an internal resistance that remains constant while you're varying the attached load. The voltage drop across the internal resistance will increase as current output increases, causing less of a signal to be delivered to the amplifier.
Why does a car need force from its engine when moving at a constant speed?
If there be no force ie no deceleration then no need to apply any force to compensate such a deceleration. But deceleration is there due to frictional force between the tyre and the road. Hence to compensate this we have apply acceleration. So force is needed OK Physics laws State that an object in motion will remain in motion until acted upon by an outside force. The car moving at a constant speed is being acted upon by wind resistance, gravity, and friction. Therefore force is needed to retain the constant speed
When 1 gram of water is evaporated the volume of the water vapor increases but the mass remains constant Why does the mass of the water remain constant?
There is no way that mass can be created or destroyed. Here is an informal way to consider the situation. When you evaporate the water, the distance between the molecules increases. But no new molecules are created (or destroyed). Well, the mass is not simply the total number of molecules - but this gives you an idea how this situation works.
Does a Satellite's speed remain constant?
Yes, it remains fairly constant.
What is Anisometry?
Shape does not remain constant as size increases.
As output increases the average fixed costs?
remain constant
What happens to the acceleration when the total mass increases but unbalanced force remain constant?
Acceleration increases
Does the weight of the body remains constant everywhere in the universe?
no it does not remain contant.
Does the speed of a car moving in a circular path at 15 mph remain constant Or does the acceleration or its velocity remains constant?
The magnitude of the velocity will be constant however the direction will be constantly changing. The acceleration will remain constant towards the centre of the circle
If temperature increase and volume remain constant what is pressure?
If temperature increases while volume remains constant, according to Charles's Law, pressure will increase proportionally. This is because the increased temperature will cause the gas molecules to move faster and exert more force on the walls of the container, resulting in an increase in pressure.
How does changing the frequency of the wave affect wavelength?
The wavelength changes inversely with the frequency.
How does the amount of matter remain constant while being recycled through the water cycle?
because the water will evapor when it remains to it constant
Does the weight of an apple increases or decreases or remain constant when taken to the top of mountain?
The weight of an apple remains constant regardless of its location because weight is a measure of the force of gravity acting on an object. However, the apple would weigh slightly less at the top of a mountain due to the decrease in gravitational pull compared to sea level.
According to Boyle's Law if the volume and temperature of a gas in a closed container remain constantwhat happens to the gas's pressure?
It goes up.
