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Electric Circuits
what is the name of the physical quantity which is equal to v/i and define its unit
Electric Circuits
What happens to the resistance of a conductor when the length of the conductor is reduced to half?
Electric Circuits
Please answer this question.......It's my assignment, I have to submit it tomorrow.
A 500 KVA transformer is at full load with an overall p.f=0.6 lagging current.The p.f is improved to 0.9 lagging by adding bank of capacitors.Determine the value of the capacitance and its power rating.Also find the % of load, the transformer is carrying after improved power factor?
A 500 KVA transformer is at full load with an overall p.f=0.6 lagging current.The p.f is improved to 0.9 lagging by adding bank of capacitors.Determine the value of the capacitance and its power rating.Also find the % of load, the transformer is carrying after improved power factor?
Electric Circuits
VT = 220V
R1 AND R2 is parallel connected to a series R3
R1=47ohms , R3=33ohms
Ir2=1A
Find current total,r2 and ir2...
R1 AND R2 is parallel connected to a series R3
R1=47ohms , R3=33ohms
Ir2=1A
Find current total,r2 and ir2...
Electric Circuits
calculate the force per length between two wires carrying same current of 0.2 Ampere and seperated by 0.5 meter
Electric Circuits
A given mass of copper is made into a wire with a square cross section of side = 2mm. Another wire made with the same mass has a circular cross section of diameter = 2mm.
Find the ratio of their electrical resistances.
Find the ratio of their electrical resistances.
Electric Circuits
750 w electric heater plugged into 240 v power supply. A trolley passing caused insulation distort and reduced resistance between live and netral to 60 ohms.
1. what is the rate of heat production in watts
2. plug fitted carries 3 amps fuse is this correct for appliance
3. would correctly rated fuse blown as result of fault
1. what is the rate of heat production in watts
2. plug fitted carries 3 amps fuse is this correct for appliance
3. would correctly rated fuse blown as result of fault
Electric Circuits
https://drive.google.com/file/d/0B1f-P0kkAkRVRkVzeWdYdi1mV0F4a2F0UXBvT0VLZWNzbTFR/edit?usp=sharing
Electric Circuits
https://drive.google.com/file/d/0B1f-P0kkAkRVampnTkRVNWR5a0JkRXozejNLNUF0YTVJTW5j/edit?usp=sharing
Electric Circuits
https://drive.google.com/file/d/0B1f-P0kkAkRVRkVzeWdYdi1mV0F4a2F0UXBvT0VLZWNzbTFR/edit?usp=sharing
