# what is voltage?

what is voltage?

## 5 Answers

### Answer :

Voltage is like water tank level and pipe is like resistance and flow of water is like current .

### Answer :

Voltage is the potential to do work , is the ratio of energy available to the charge expressed in volts.

### Answer :

Voltage is the force that applied to move electrons in the conductor.its unit is volt.

### Answer :

Voltage is the force that pushes current to flow in a conductor. It's unit is Volt (v).

### Answer :

Voltage is an electromotive force or potential difference expressed in volts

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Description : What kills, current or voltage?

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Description : What is internal voltage drop and terminal voltage?

Answer : It is not permissible to just connect the positive terminal to the negative terminal of a cell with a copper wire. It will overheat and get damaged. This happens because the electromotive force (emf) ... than the nominal voltage (emf) of the cell and this lower voltage is called terminal voltage.

Description : What is a capacitor voltage transformer? A) It is a transformer used in power systems to step up low voltage signals and provide extra high voltage B) It is a transformer used in power systems ... in power systems to step down extra high voltage signals and provide low voltage D) None of these

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Description : What happens to the voltage in the secondary when the frequency of the supply in the primary is decreased? A) It increases B) It decreases C) It remains the same D) Cannot say unless the actual percentage increase in the frequency is known

Answer : What happens to the voltage in the secondary when the frequency of the supply in the primary is decreased? A) It increases B) It decreases C) It remains the same D) Cannot say unless the actual percentage increase in the frequency is known