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How does a strain gauge work?
The metal foil is a resistor---it conducts electricity but also resists its flow somewhat. When the sheet is bent one way it stretches the foil slightly, making it longer and thinner. This raises its resistance, since the electricity has further to go and a more constricted path to follow. On the other hand, when the sheet is bent in the other direction it compresses the foil, making it shorter and wider and lowering the resistance. Because the foil strip is so long, even slight strains will cause fairly big changes in the resistance, which will be picked up by the Wheatstone bridge.
What are the uses of equations?
They are very important in many areas such as maths and physics. They are used to work out unknown's. For example in physics if you know the current through a circuit, and the total resistance, and you need to find out the voltage, you can use the equation: Voltage= current * resistance, to work out.
How does a bridge loan work?
how does a construction loan work to bridge it to a VA. loan?
How does a bowstring arch bridge work?
it hangs the bridge
When you do resistance exercise you work against what resistance?
Weight
When you do resistance exercise you work against the resistance or blank of an object?
weight
How does the Morris turnpike work?
by a bridge
Why does streamlining work?
air resistance
How does a paramagnetic oxygen analyzer work?
Oxygen's paramagnetic property causes a gas sample containing oxygen to move within a magnetic field. Thermistor pairs, which are part of a wheatstone bridge circuit, sense the "magnetic wind" created by the gas movement. The resulting signal, along with heat capacity and viscosity measurements, is used by the microprocessor to calculate the oxygen percentage accurately. Pradeep
The ability to change or move against other forces is what work or energy?
Resistance? Resistance.
How many resistance intervals are there?
There are 2 resistance bands that are used to work the upper body.
How do you calculate work output for a simple machine?
The resistance force multiplied by the resistance distance.
