Electric charges never stand (i) _______ , but flow from one point to another. This flow is called an electric current and is measured in ampere. Many modern electronic devices (ii) _______ use of electric currents in order to transport electric energy. In nature, there is also (iii) _______ stored electricity, which comes out and is released through lightning during a storm. Men have stored electric energy in huge power stations, (iv) _______ then transmit or send electricity to customers by (v) _______ wires. The electric energy used by customers is measured in watts.

(iii)_____

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