Qualification > Sciences
Help!!
cs:
May i ask why "When VL is high.........the resistance of the LED should be high." ?
Deadly_king:
--- Quote from: cs on September 09, 2010, 01:44:05 am ---May i ask why "When VL is high.........the resistance of the LED should be high." ?
--- End quote ---
This is because the voltage VL is directly proportional to the resistance of the LDR.
The equation V = IR proves that.
Voltage = Current x Resistance
*Another mistake.......its LDR......not LED!
Deadly_king:
--- Quote from: cs on September 08, 2010, 04:06:44 pm ---Sorry to bother anyone, but i cannot get the answer for June 2006 33,34 and 37. Any help will be greatly appreciated..
--- End quote ---
The answers are as follows :
33. B
34. A
37. A
If you need explanations ........feel free to ask :)
cs:
Thank you,
I need explanation for June 2009, Q 10, 21 and 29
June 2008, Q 6,14, 22,26, 30, 31 (why downwards)
I feel really bad for asking so many questions.
The Golden Girl =D:
--- Quote from: cs on September 10, 2010, 01:40:59 am ---
I feel really bad for asking so many questions.
--- End quote ---
u shldn't feel bad cuz we help everyone who needs smthn :)
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