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Electric Circuits
A man has a 40 watt and two 60 watt bulbs in a room. How much will it cost him to keep them lit for 8 hours per day in the month of June if the cost of a unit is #20.
Electric Circuits
A man uses a 900watt electric iron to press his cloth for an average of 4 hrs a week for 5 weeks. If the cost of electrical energy is 30k per unit(kWh), calculate the cost of energy consumed
Electric Circuits
A land lord has eight 40watt electric light bulbs and two 100watt bulbs in his house. If he has all the points operating for 5hrs daily and if NEPA charges 5k per unit(kWh), calculate his bill for 30 days
Electric Circuits
. A battery of e.m.f 6.0 V passes a current of 0.3 A through a torch bulb for 5 minutes. How much energy is transferred from the cell?
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Electric Circuits
Which type of circuit did you use to imitate a multiplug?
Electric Circuits
1) What are the advantages of parallel connection over series connection?
2)What are the advantages of series connection over parallel connection?
3)List sources of electromotive force (e.m.f)
2)What are the advantages of series connection over parallel connection?
3)List sources of electromotive force (e.m.f)
Electric Circuits
Three resistors of resistance 5Ω, 3Ω and 4Ω are arranged in parallel between two terminals. Calculate the equivalent resistance.
Electric Circuits
Three resistors of resistance 5Ω, 3Ω and 4Ω are arranged in parallel between two terminals. Calculate the equivalent resistance.
Electric Circuits
do capacitors in series increase voltage?
Electric Circuits
AN electric heater takes 4A when operated on a 250v supply. what is the cost of electricity consumed at 10K per KWh when the heater is used for 5 hours
