Q27 of 330 Page 12

The other name of potential difference is :

Electric potential difference is known as voltage, which is equal to the work done per unit charge to move the charge between two points against static electric field. It is denoted by ‘V’.

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26

What is the conventional direction of the flow of electric current? How does it differ from the direction of flow of electrons?

 26

A flash of lightning carries 10 C of charge which flows for 0.01 s. What is the current? If the voltage is 10 MV, what is the energy?

 28

Which statement/statements is/are correct?

1) An ammeter is connected in series in a circuit and a voltmeter is connected in parallel.


2) An ammeter has a high resistance.


3) A voltmeter has a low resistance.

 29

Which unit could be used to measure current?