Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

Electronic problems - help with test questions

Status
Not open for further replies.

selvaece2004

Newbie level 2
Joined
Nov 7, 2009
Messages
2
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,281
Location
Arumuganeri,Tuticorin,TamilNadu,INDIA
Activity points
1,311
Electronic problems

1) The no of 2microF,400V capacitor needed to obtain 1.5microF,1600V is i)12 ii)8 iii)6 iv)4
2)In a Capacitor he electric charges is stored in dielectric how?
3)A sphere of radii 1m can attain a maximum potential of i)3*10^6V ii)30KV iii)1000V iv)3KV
4)Two coils having equal resistance but different inductance are connected in series.The time constant of the combination is i)sum of time constants of individual ii)average of '' '' iii)geometric mean of '' '' iv)product of '' '
5)12 identical wires of resistance 6 ohms each are arranged to form the edges of a cube.The effective resistance between the opposite corners of the cube is i)6ohms ii)5ohms iii)8ohms iv)4.5ohms(with explanation)
6)The voltage across R after t=0 and t=10seconds will be for 2Mohm and .5microF are connected across 100V supply with switch S. i)100V,63.2V ii)0V,63.2V iii)100V,36.8V iv)0v,36.8V
 

svhb

Full Member level 5
Joined
Mar 7, 2006
Messages
276
Helped
48
Reputation
96
Reaction score
30
Trophy points
1,308
Activity points
3,026
Re: Electronic problems

multiple choice is fun, but you have to tick the right boxes yourself...
 

Status
Not open for further replies.

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Top