Posted by admin | Posted in Uncategorized | Posted on 28-07-2007
Tags: buy, gifts, kids, magnetic, magnetic wooden alphabet, magnetic wooden alphabet melissa & doug, magnetic wooden blocks, magnetic wooden dolls, magnetic wooden dress up dolls, magnetic wooden fishing game, magnetic wooden knife holder, magnetic wooden letters, magnetic wooden puzzle, magnetic wooden train set, toys
Magnetic Wooden
how much charge flows through circuit?
One hundred turns of insulated copper wire are wrapped around a wooden cylindrical core of cross-sectional area 1.40×10-3 m2. The two terminals are connected to a resistor. The total resistance in the circuit is 11.0 Ω.
If an externally applied uniform longitudinal magnetic field in the core changes from 1.70 T in one direction to 1.70 T in the opposite direction, how much charge flows through the circuit (in Coulombs)?
Please explain..
Faraday-Neumann law..
S*N*dB/dt=RI=R*dQ/dt
then
dQ=S*N*dB/R= 1.4*10^(-3)*100*3.4/11=0.043 C <-------
Magnetic Wooden
What is the best magnetic wooden chess set to buy?
Where available?
This is for an elementary student.
get a catalog from the U.S.C.F. (united states chess federation)
they have some nice magnetic wooden sets
1 – 800 – 388 – 5464
Tegu How To: Repackage Your Magnetic Wooden Blocks
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