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Nairaland Forum / Nairaland / General / Education / Tips For 2017 Waec Physics Practical. (45765 Views)
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Re: Tips For 2017 Waec Physics Practical. by Izygab(m): 9:50am On Mar 29, 2017 |
NatureBoy91:thank you so much sir. What about Q2 1 Like |
Re: Tips For 2017 Waec Physics Practical. by dasrackhor(m): 11:08am On Mar 29, 2017 |
NatureBoy91:Hello bro......pls help me wit d values of question 2 n 3 only......am a physics teacher wit no practical knowledge...pls u can send it via whatsapp () or or drop yha contact so dat I can reach you. pls help me cos they are aving d exam on Monday...pls sir |
Re: Tips For 2017 Waec Physics Practical. by Nesco244(m): 4:09pm On Mar 29, 2017 |
NatureBoy91:What parameter will be plotted on the vertical axis and what on the he horizontal axis. |
Re: Tips For 2017 Waec Physics Practical. by Nobody: 8:00pm On Mar 30, 2017 |
Nesco244:LogT against LogL, I guess. |
Re: Tips For 2017 Waec Physics Practical. by Nobody: 8:01pm On Mar 30, 2017 |
dasrackhor:It's nt free, I guess. |
Re: Tips For 2017 Waec Physics Practical. by ibroh22(m): 9:51pm On Mar 30, 2017 |
NatureBoy91:good evening sir,i should have called you but am out of airtime,thanks for yesterday and the other day,,,I have tried dragging the jockey on the potentiometer and recorded the readings but while checking through precautions in the past question,i learnt that the Jockey shouldn't be dragged but rather placed on the particular point required,i even asked another random physics teacher and he confirmed to me that,jockey shouldn't be dragged on the potentiometer |
Re: Tips For 2017 Waec Physics Practical. by Nobody: 9:57pm On Mar 30, 2017 |
ibroh22:Dragging on the potentiometer is to check if it's sensitive enough. I think. 1 Like |
Re: Tips For 2017 Waec Physics Practical. by ibroh22(m): 10:06pm On Mar 30, 2017 |
MrMarvelous:Thanks,,I understand 1 Like |
Re: Tips For 2017 Waec Physics Practical. by Nobody: 8:44am On Mar 31, 2017 |
ibroh22: I think dragging the jockey on the potentiometer could damage/cut the potentiometer wire. Maybe, maybe not. |
Re: Tips For 2017 Waec Physics Practical. by Nobody: 9:22am On Mar 31, 2017 |
ibroh22:There's difference btwn sliding "over" and sliding "along" a potentiometer wire. Remember, I said u should "slide along" the potentiometer wire. Sliding/dragging "over" will short-cut the wire & also affect ur results. |
Re: Tips For 2017 Waec Physics Practical. by ibroh22(m): 9:23am On Mar 31, 2017 |
NatureBoy91:Now am confused |
Re: Tips For 2017 Waec Physics Practical. by Nobody: 9:26am On Mar 31, 2017 |
ibroh22:That's how I learnt mine but I will still make research. |
Re: Tips For 2017 Waec Physics Practical. by ibroh22(m): 10:13am On Mar 31, 2017 |
NatureBoy91:you told me,i will drag the Jockey from 100 to the point they gave us e.g if we are given 10m,i will drag the Jockey from 100cm to 10cm.. |
Re: Tips For 2017 Waec Physics Practical. by Nobody: 1:30pm On Mar 31, 2017 |
ibroh22:Yes that how I was taught. But since u said so, i will do research on that. 1 Like |
Re: Tips For 2017 Waec Physics Practical. by ibroh22(m): 2:01pm On Mar 31, 2017 |
NatureBoy91:I asked they said it's wrong,i even saw it in the precautions that,jockey shouldn't be dragged on the potentiometer,,they said we shld just place it on the point required |
Re: Tips For 2017 Waec Physics Practical. by Nobody: 2:20pm On Mar 31, 2017 |
ibroh22:I know about that but need to research on that. |
Re: Tips For 2017 Waec Physics Practical. by ibroh22(m): 2:59pm On Mar 31, 2017 |
NatureBoy91:alright sir |
Re: Tips For 2017 Waec Physics Practical. by abbagamawa(m): 10:19pm On Mar 31, 2017 |
3Bi) answer: the brightness of the bulb increases as voltage/current increases along the potentiometer wire. please brother can you help me with the reason for the increase in the brightness of the bulb? thanks |
Re: Tips For 2017 Waec Physics Practical. by Nobody: 6:44am On Apr 01, 2017 |
abbagamawa:This is because the current/voltage that flows through the circuit increases the brightness of the bulb as x(cm)/resistance increases. 1 Like |
Re: Tips For 2017 Waec Physics Practical. by Nobody: 1:24pm On Apr 01, 2017 |
Sliding a jockey along a potentiometer is required when balancing the lengths. But in this case, the lengths are given, that's why u are not required to slide on it. Hope, it's understood? Thanks! |
Re: Tips For 2017 Waec Physics Practical. by Nobody: 1:25pm On Apr 01, 2017 |
NatureBoy91:Ibroh22. |
Re: Tips For 2017 Waec Physics Practical. by Nobody: 1:46pm On Apr 01, 2017 |
If u require any answers/values or questions from tomorrow till the day the exam is over. You'll have to show "something" cos I may not answer such person. I've tried a lot. |
Re: Tips For 2017 Waec Physics Practical. by Nobody: 1:50pm On Apr 01, 2017 |
Pls, what are the values on your physics practical series, 2011 Q3. Just noticed that it is different from the one we have here. Thanks to my last caller for observing that. |
Re: Tips For 2017 Waec Physics Practical. by Nobody: 2:16pm On Apr 01, 2017 |
NatureBoy91: I just carried out the Q1 experiment in the lab.. As my L decreases from 80cm to 40cm, the time t decreases from 14.52s to 10.28cm. This is contrary to the supposed trend. What do you think? 1 Like |
Re: Tips For 2017 Waec Physics Practical. by Nobody: 2:33pm On Apr 01, 2017 |
CondomSir:That's right. You are very correct. That earlier values was done by someone, I told him to vary the length of threads/strings but instead he varied the length on metre rule & that's why t increases as L decreases. But for this lengths of thread variation, L decreases as t decreases. |
Re: Tips For 2017 Waec Physics Practical. by Nobody: 2:36pm On Apr 01, 2017 |
CondomSir:I will correct/edit that trend. Tnx. |
Re: Tips For 2017 Waec Physics Practical. by Nobody: 2:40pm On Apr 01, 2017 |
Note: Lalasticlala, Seun, Fynestboi; thread for 2017 WAEC Physics Practical slated for 03/04/2017. |
Re: Tips For 2017 Waec Physics Practical. by ibroh22(m): 2:55pm On Apr 01, 2017 |
NatureBoy91:I understand,so now,we will just place it on the particular distance we were given? |
Re: Tips For 2017 Waec Physics Practical. by ibroh22(m): 2:56pm On Apr 01, 2017 |
CondomSir:sir,how do someone oscillate metre rule in vertical and horizontal axis,,,,am confused |
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