It seems to me that there are two methods. Reduce the supply voltage to the bridge, or reduce the time that the supply voltage is connected (you could also apply both methods simultaneously). Which is best depends on the details of the application. 1. Reducing the supply voltage: The power consumption of the bridge will be proportional to the square of the supply voltage so halving the voltage will quarter the power consumption. It will also halve the voltage at the detector for any given imbalance so, to maintain the same resolution, the sensitivity of the detector needs to be increased by the same factor as the voltage. Clearly there are limits to this as the imbalance signal will eventually be lost in noise. 2. Reducing the time the supply is connected: It is possible to pulse the supply voltage and the power consumption will be reduced in proportion to the duty factor. Clearly the detector must be fast enough to take a reading during the time that the supply is connected. This might be done using a microcontroller - an output controlling the supply to the bridge and an A/D input to measure the imbalance signal.
The biggest advantage of the Wheatstone bridge is the accuracy of the resistance readings. I had two cables short out underground, by knowing the resistance of the wires per foot I located the fault within 3 feet of where the two wires touched each other.
Adding more turns of wire to the electromagnet will make it stronger without changing the applied voltage.
You cannot increase amperage without changing voltage or resistance. Ohm's law states that voltage is current times resistance. You cannot change one alone. Not even changing frequency in a capacitive or inductive circuit will do this, because changing frequency represents a change in reactance, which is effectively a change in resistance.
rectifier transformer converts acinto dc.but,power transformer convert step up or step down ac energy without changing frequency
The world's greatest invention is probably the wheel. Just think about how much we use them in society and where our world would be without them. - Indoor Plumbing is another revolutionary life changing invention
No, a nation cannot develop without increasing energy consumption. Though a nation might be able to develop by increasing the consumption of energy marginally over time, there is no way to continue a nation's development without added consumption of energy.
does add color to water tell about changing matter without changing its shape
No. It is possible to change direction without changing speed. However, it is not possible to change direction without changing velocity.
Food crops both for human consumption and animal consumption. With a serious problem feeding the number of people on the planet and without a global initiative to sort that problem out changing fields from food crops to energy crops makes a very bad situation worse.
The resistors should be connected in parallel .
could production and consumption take place without money
A physical property can be observed without changing the substance into something else.
NO
physical properties can be observed without chemically changing matter
what property of matter has a characteristic that can be measured or observed without changing it idenity
You don't
A physical property can be observed without changing the substance into something else.