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What type of energy provided by the lamp helps Jan read?
Electromagnetic energy, electrical lighting is one of the many ways electrical energy is used. Electric current flows in these devices when they are connected to batteries or plugged into an electric outlet. An electric device uses the electrical energy provided by the current flowing in the device.
Direct electric current cannot be used to operate A. Electric motors B. Electric heaters C. Electromagnets D. Transformers?
Direct electric current cannot be used to operate D. Transformers.
Can an electric current be used to affect a compass needle?
Yes. Any electric current is surrounded by a magnetic field.
What device is used to convert electricity in to mechanical energy?
An electric motor.
Which are then used to do work. Which device uses electricity in this way?
An electric motor
What is a device that uses electric current to represent coded information?
An electronic device uses electric to represent coded information. Variations in the current are converted to codes used by the electronic device.
Is an ammeter a device specially designed to measure current?
An ammeter is a measuring instrument used to measure the electric current in a circuit.
What is a multimeter device used for?
used for measuring basic electric properties such as Voltage, Current and Resistance.
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 type of device is used to increased 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 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 energy provided by the lamp helps Jan read?
Electromagnetic energy, electrical lighting is one of the many ways electrical energy is used. Electric current flows in these devices when they are connected to batteries or plugged into an electric outlet. An electric device uses the electrical energy provided by the current flowing in the device.
What is a device used to open and close an electric circuit?
The device is called a switch.
What would happen if there is no an electric switch in a curcuit?
Generally we use electric switches to put on or off the light,fan,computer,music system,etc.An electric switch is a device that is used to open or close an electric circuit.when we open an electric circuit the flow of electric current inthe circuit stops and when we close an electric circuit an electric current flows through it.
What type of device is used to increase or decrease the voltage of an electric current?
The device used to increase or decrease the voltage of an electric circuit is a step up transformer or a step down transformer respectively. A Variable Resistor
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.
