Jul 15, 2019 #1 R rajasekharnbkrist Junior Member level 2 Joined Nov 10, 2013 Messages 21 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 182 1. The current passing through a 10 ohm resistance is given by I=5+5√3 cos314t. The current is measured by a PMMC meter. What is the measured value?
1. The current passing through a 10 ohm resistance is given by I=5+5√3 cos314t. The current is measured by a PMMC meter. What is the measured value?
Jul 15, 2019 #2 barry Advanced Member level 7 Joined Mar 31, 2005 Messages 6,333 Helped 1,194 Reputation 2,400 Reaction score 1,389 Trophy points 1,393 Location California, USA Activity points 34,476 Stupid question or trick question. Is there a rectifier in your meter? Does it have an AC range? If not, the answer is 5. If so, the answer is 11.1.
Stupid question or trick question. Is there a rectifier in your meter? Does it have an AC range? If not, the answer is 5. If so, the answer is 11.1.
Jul 15, 2019 #3 kripacharya Banned Joined Dec 28, 2012 Messages 1,204 Helped 182 Reputation 360 Reaction score 175 Trophy points 1,343 Location New Delhi Activity points 0 Another one !! It's 11.125 amps. Please send prize directly to my home address.
Jul 15, 2019 #4 A Akanimo Advanced Member level 3 Joined Aug 30, 2016 Messages 847 Helped 145 Reputation 290 Reaction score 165 Trophy points 1,323 Activity points 7,122 Hi, 5 + 0Aavg = 5A
Jul 15, 2019 #5 kripacharya Banned Joined Dec 28, 2012 Messages 1,204 Helped 182 Reputation 360 Reaction score 175 Trophy points 1,343 Location New Delhi Activity points 0 Interesting. So you're saying that a PMMC only measures Avg current? Good to know. Learn new stuff everyday.
Interesting. So you're saying that a PMMC only measures Avg current? Good to know. Learn new stuff everyday.
Jul 16, 2019 #6 E Easy peasy Advanced Member level 6 Joined Aug 15, 2015 Messages 4,746 Helped 1,402 Reputation 2,804 Reaction score 1,933 Trophy points 1,393 Location Melbourne Activity points 26,219 PMMC = permanent magnet moving coil - meter, I think all moving coil meters give an average reading... moving iron have expanded scales as they are not linear with coil current ...
PMMC = permanent magnet moving coil - meter, I think all moving coil meters give an average reading... moving iron have expanded scales as they are not linear with coil current ...