1.

Fill in the blanks.1. Electrons move from ………….. potential to …………….. potential. 2. The direction opposite to the movement of electron is called ……………….. current. 3. The e.m.f of a cell is analogous to ……………. of a pipe line. 4. The domestic electricity in India is an ac with a frequency of ………… Hz. 5. Trip switch is an …………. safety device.

Answer»

1. higher, lower 

2. Conventional 

3. a pump 

4. 50 

5. electromechanical



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