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- 1. Question
A household refrigerator consumes electrical energy at the rate of 200W. If electricity cost 5k per Wh. Calculate the cost of operating the aplliance for 30 days
- 2. Question
The function of the manganese (IV) oxide in a leclanche cell is to
- 3. Question
Birds can perch safely on overhead electric power cables without being electrocuted because
- 4. Question
A cell of e.m.f 1.5V and internal resistance of 2.5 is connected in series with an ammeter of resistance 0.5 and a resistor of resistance 7.0. Calculate the current in the circuit
- 5. Question
Which of the following is not a consequence of hydrogen bubbles covering the copper plate of a primary cell?