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In an alternating current circuit the voltage can be stepped up ordown efficiently with a transformer.

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Carlo Kiehn

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3y ago

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When electric current is following in a curcuit if the voltage applied to the curcuit is increased the resistance will decrease true or false?

true


If the voltage applied to a circuit remains constant and the resistance in the circuit is increased the current will?

V = IR Where, V = voltage I = current R = resistance Thus if resistance is increased with constant voltage current will decrease


What happens to the electric current in a wire as voltage is increased?

As voltage is increased, the electric current in a wire also increases because the relationship between voltage, current, and resistance is described by Ohm's Law (V = IR). If resistance remains constant, a higher voltage will result in a higher current flowing through the wire.


When electric current is flowing in a circuit if the voltage applied to the circuit is increased the?

Correct Answer= "the current will increase"


What type of device is used to decrease or increase the voltage of an electric current?

In an alternating current circuit the voltage can be stepped up ordown efficiently with a transformer.


What type of device is used to increase or decrease the voltage of an electric current-?

In an alternating current circuit the voltage can be stepped up ordown efficiently with a transformer.


What type of device is used to increase to decrease the voltage of an electric current?

In an alternating current circuit the voltage can be stepped up ordown efficiently with a transformer.


What is a device that changes electric current into a different voltage?

Nothing can change electric current to voltage. You can compare "current " to rate of flow, while "voltage" is the energy level. Transformers can be used to increase or decrease the voltages of alternating current as is done from 'street power' to domestic power.


How can you make an electric current stronger?

An electric current through a resistive circuit can be increased by decreasing the resistive load or increasing the voltage of the circuit.


What will happen too amperage if voltage is increased and resistance remains the same?

Ohms Law says Voltage = Current x Resistance. Hence if voltage rises, so will current.


What type of device is uses to increase or decrease the voltage of an electric current?

The device is called a "variac' and it is a type of transformer. It has a variable voltage ouput.


How in transmission line current decreases when voltage is increased?

Because power is power. If you maintain the same power, while increasing the voltage, you must decrease current. P=IE.