Qualification > Sciences
Physics ppr 1 Discussion Here only!
....:
--- Quote from: el.diablo on June 11, 2009, 07:43:24 am ---
--- Quote from: robot_avenger on June 11, 2009, 07:37:30 am ---
--- Quote from: halosh92 on June 11, 2009, 07:31:08 am ---the height or mercury only depend on the vertical height..so i put as B same length...as its height is not changing i dono????
--- End quote ---
Ur right...thr's no relationship between cross-sectional area and the height of the mercury....
The formula for Pressure in Fluids is = hdg...Height gravity and gravity.....since gravity is the same and so is the density and so is atmospheric pressure height wont change
--- End quote ---
100% Correct.....
Guys what did you write for the fuse question and the other one regarding the placement of a fuse or a circuit breaker?
For fuse I chose 1A ... not so sure and for the other question I chose the position of both the fuse and the circuit breaker at X (live wire)... am I correct ???
The echo for the click was the ZY position (not sure of the abbriviations) but it was the one with the short distant wall.
For the copper&wood question... I didn't choose copper at all because it's a good conductor of heat and the whole thing will be really hot .. so it was obviously the other end of the wood?
--- End quote ---
yup, i got the same answers as you :D
halosh92:
--- Quote from: i-insane on June 11, 2009, 07:45:41 am ---
--- Quote from: el.diablo on June 11, 2009, 07:43:24 am ---
--- Quote from: robot_avenger on June 11, 2009, 07:37:30 am ---
--- Quote from: halosh92 on June 11, 2009, 07:31:08 am ---the height or mercury only depend on the vertical height..so i put as B same length...as its height is not changing i dono????
--- End quote ---
Ur right...thr's no relationship between cross-sectional area and the height of the mercury....
The formula for Pressure in Fluids is = hdg...Height gravity and gravity.....since gravity is the same and so is the density and so is atmospheric pressure height wont change
--- End quote ---
100% Correct.....
Guys what did you write for the fuse question and the other one regarding the placement of a fuse or a circuit breaker?
For fuse I chose 1A ... not so sure and for the other question I chose the position of both the fuse and the circuit breaker at X (live wire)... am I correct ???
The echo for the click was the ZY position (not sure of the abbriviations) but it was the one with the short distant wall.
For the copper&wood question... I didn't choose copper at all because it's a good conductor of heat and the whole thing will be really hot .. so it was obviously the other end of the wood?
--- End quote ---
yup, i got the same answers as you :D
--- End quote ---
yup its all correct ;D
robot_avenger:
--- Quote from: halosh92 on June 11, 2009, 07:49:23 am ---
--- Quote from: i-insane on June 11, 2009, 07:45:41 am ---
--- Quote from: el.diablo on June 11, 2009, 07:43:24 am ---
--- Quote from: robot_avenger on June 11, 2009, 07:37:30 am ---
--- Quote from: halosh92 on June 11, 2009, 07:31:08 am ---the height or mercury only depend on the vertical height..so i put as B same length...as its height is not changing i dono????
--- End quote ---
Ur right...thr's no relationship between cross-sectional area and the height of the mercury....
The formula for Pressure in Fluids is = hdg...Height gravity and gravity.....since gravity is the same and so is the density and so is atmospheric pressure height wont change
--- End quote ---
100% Correct.....
Guys what did you write for the fuse question and the other one regarding the placement of a fuse or a circuit breaker?
For fuse I chose 1A ... not so sure and for the other question I chose the position of both the fuse and the circuit breaker at X (live wire)... am I correct ???
The echo for the click was the ZY position (not sure of the abbriviations) but it was the one with the short distant wall.
For the copper&wood question... I didn't choose copper at all because it's a good conductor of heat and the whole thing will be really hot .. so it was obviously the other end of the wood?
--- End quote ---
yup, i got the same answers as you :D
--- End quote ---
yup its all correct ;D
--- End quote ---
I agree with you 10000000% :)...Nice Job ;D
Sweet_03:
Meee ..
For the barometer tube , First i chose B .. then rubbed it and chose C : (
For the echo , i chosed XW(im not sure about the letters) .. but its the shortest wall under the source of sound
For the Fuse .. The circiut breaker in the live wire ( at X ) .. and the fuse at y ..
For the cooper .. me too .. i chosed the other end of the wood
indeed , it was tricky
unknown:
wht was d ans to d fuse q tht 0.25a n al tht i dnt remember d q exactly n ya also d ruler 1 nearest mm i chose as 0.764
i feel barometer is b bcz cross section area doesnt affect d pressure
d fuse n live wire thingy was x n x i guess mostly correct
n ya wht was tht magnet n tht p q
i wrote c p=south n q=north n ya ne more doubts plz put up asap
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