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# What is applied voltage?

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Any voltage that is fed into or "applied" to an electrical circuit is referred to as an "applied voltage".
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# Why negative impulse is applied during Impulse voltage test?

The lightning phenomena is occurred on transmission lines or sub-stations due to which a negative wave is generated hence definitely destroy the power apparatus. So for impuls

# Will the resistance of a copper conductor decrease with an increase in the applied voltage?

If all environmental conditions remain constant then the resistance will not change appreciably with applied voltage, but the current will increase. An increase in current wil

# The resistance of a copper conductor will decrease with an increase of applied voltage?

  No, the resistance of a copper conductor does not vary according to applied voltage. It is constant for a given wire size, and only varies with temperature.   Of cour

# Why rated voltage is to be applied to primary for open circuit test?

Open circuit test on a transformer is usually performed to measure the IRON losses.Iron losses are produced due to eddy current and hysteresis losses. In open circuit test, th

# What are the typical switching voltages that may be applied to the inputs of a PLC?

24Vdc is the most common, it is still possible to buy 110Vac switching inputs but these are rarely used.

# When an alternating voltage is applied to purely resistive circuit what happens?

  When an alternating voltage is applied to a purely resistive circuit, the resulting current is in phase with the voltage.

# What happens to a parallel circuit resistance if the voltage applied is doubled?

That has no effect on the resistance. The current doubles also.

# The applied voltage in a circuit equals the sum of the circuits individual what?

  For a series circuit, the applied voltage equals the sum of the voltage drops

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# When the frequency of an applied voltage is increased the capacitive reactance of a circuit will?

Since capacitive reactance is inversely-proportional to the supply frequency, as the frequency is increased, the reactance will decrease.

# How will a change in the applied voltage affect the current flow in a circuit?

A change in the applied voltage will result to a corresponding change in the current flow because from Ohms law current is directly proportional to the applied voltage.

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# What voltage must be applied to fully charge capacitors in series?

To fully charge capacitors in series, you would want to make sure they are all rated for the same voltage, and then apply the sum total of the rated voltage (if they are 25 vo

# What is happening when voltages is applied on thermocouple?

Voltage is not intended to be applied to a  thermocouple. Heat is, and that will result is a  voltage being developed which can be used to measure the heat.    Actuall

# Why does a capacitor discharge when the applied voltage decreases?

A capacitor resists a change in voltage. That is how it works. It had to be charged to apply voltage to it in the first case, so it has to be discharged to change the voltage,

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